2021964040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{883}}^1$

素因数の和:1067

約数の個数: 128

約数和(自身を含む): 5040921600

約数和(自身を除く): 3018957560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 131, 152, 184, 190, 230, 262, 380, 437, 460, 524, 655, 760, 874, 883, 920, 1048, 1310, 1748, 1766, 2185, 2489, 2620, 3013, 3496, 3532, 4370, 4415, 4978, 5240, 6026, 7064, 8740, 8830, 9956, 12052, 12445, 15065, 16777, 17480, 17660, 19912, 20309, 24104, 24890, 30130, 33554, 35320, 40618, 49780, 57247, 60260, 67108, 81236, 83885, 99560, 101545, 114494, 115673, 120520, 134216, 162472, 167770, 203090, 228988, 231346, 286235, 335540, 385871, 406180, 457976, 462692, 572470, 578365, 671080, 771742, 812360, 925384, 1144940, 1156730, 1543484, 1929355, 2197787, 2289880, 2313460, 2660479, 3086968, 3858710, 4395574, 4626920, 5320958, 7717420, 8791148, 10641916, 10988935, 13302395, 15434840, 17582296, 21283832, 21977870, 26604790, 43955740, 50549101, 53209580, 87911480, 101098202, 106419160, 202196404, 252745505, 404392808, 505491010, 1010982020, 2021964040]

約数ペア:

[(1, 2021964040), (2, 1010982020), (4, 505491010), (5, 404392808), (8, 252745505), (10, 202196404), (19, 106419160), (20, 101098202), (23, 87911480), (38, 53209580), (40, 50549101), (46, 43955740), (76, 26604790), (92, 21977870), (95, 21283832), (115, 17582296), (131, 15434840), (152, 13302395), (184, 10988935), (190, 10641916), (230, 8791148), (262, 7717420), (380, 5320958), (437, 4626920), (460, 4395574), (524, 3858710), (655, 3086968), (760, 2660479), (874, 2313460), (883, 2289880), (920, 2197787), (1048, 1929355), (1310, 1543484), (1748, 1156730), (1766, 1144940), (2185, 925384), (2489, 812360), (2620, 771742), (3013, 671080), (3496, 578365), (3532, 572470), (4370, 462692), (4415, 457976), (4978, 406180), (5240, 385871), (6026, 335540), (7064, 286235), (8740, 231346), (8830, 228988), (9956, 203090), (12052, 167770), (12445, 162472), (15065, 134216), (16777, 120520), (17480, 115673), (17660, 114494), (19912, 101545), (20309, 99560), (24104, 83885), (24890, 81236), (30130, 67108), (33554, 60260), (35320, 57247), (40618, 49780)]