1640255557160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{8854759}}^1$

素因数の和:8855202

約数の個数: 64

約数和(自身を含む): 4035645417600

約数和(自身を除く): 2395389860440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 421, 440, 842, 1684, 2105, 3368, 4210, 4631, 8420, 9262, 16840, 18524, 23155, 37048, 46310, 92620, 185240, 8854759, 17709518, 35419036, 44273795, 70838072, 88547590, 97402349, 177095180, 194804698, 354190360, 389609396, 487011745, 779218792, 974023490, 1948046980, 3727853539, 3896093960, 7455707078, 14911414156, 18639267695, 29822828312, 37278535390, 41006388929, 74557070780, 82012777858, 149114141560, 164025555716, 205031944645, 328051111432, 410063889290, 820127778580, 1640255557160]

約数ペア:

[(1, 1640255557160), (2, 820127778580), (4, 410063889290), (5, 328051111432), (8, 205031944645), (10, 164025555716), (11, 149114141560), (20, 82012777858), (22, 74557070780), (40, 41006388929), (44, 37278535390), (55, 29822828312), (88, 18639267695), (110, 14911414156), (220, 7455707078), (421, 3896093960), (440, 3727853539), (842, 1948046980), (1684, 974023490), (2105, 779218792), (3368, 487011745), (4210, 389609396), (4631, 354190360), (8420, 194804698), (9262, 177095180), (16840, 97402349), (18524, 88547590), (23155, 70838072), (37048, 44273795), (46310, 35419036), (92620, 17709518), (185240, 8854759)]