20126800480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{35069}}^1$

素因数の和:35312

約数の個数: 96

約数和(自身を含む): 50586651360

約数和(自身を除く): 30459850880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 211, 272, 340, 422, 544, 680, 844, 1055, 1360, 1688, 2110, 2720, 3376, 3587, 4220, 6752, 7174, 8440, 14348, 16880, 17935, 28696, 33760, 35069, 35870, 57392, 70138, 71740, 114784, 140276, 143480, 175345, 280552, 286960, 350690, 561104, 573920, 596173, 701380, 1122208, 1192346, 1402760, 2384692, 2805520, 2980865, 4769384, 5611040, 5961730, 7399559, 9538768, 11923460, 14799118, 19077536, 23846920, 29598236, 36997795, 47693840, 59196472, 73995590, 95387680, 118392944, 125792503, 147991180, 236785888, 251585006, 295982360, 503170012, 591964720, 628962515, 1006340024, 1183929440, 1257925030, 2012680048, 2515850060, 4025360096, 5031700120, 10063400240, 20126800480]

約数ペア:

[(1, 20126800480), (2, 10063400240), (4, 5031700120), (5, 4025360096), (8, 2515850060), (10, 2012680048), (16, 1257925030), (17, 1183929440), (20, 1006340024), (32, 628962515), (34, 591964720), (40, 503170012), (68, 295982360), (80, 251585006), (85, 236785888), (136, 147991180), (160, 125792503), (170, 118392944), (211, 95387680), (272, 73995590), (340, 59196472), (422, 47693840), (544, 36997795), (680, 29598236), (844, 23846920), (1055, 19077536), (1360, 14799118), (1688, 11923460), (2110, 9538768), (2720, 7399559), (3376, 5961730), (3587, 5611040), (4220, 4769384), (6752, 2980865), (7174, 2805520), (8440, 2384692), (14348, 1402760), (16880, 1192346), (17935, 1122208), (28696, 701380), (33760, 596173), (35069, 573920), (35870, 561104), (57392, 350690), (70138, 286960), (71740, 280552), (114784, 175345), (140276, 143480)]