2555806154320

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1019}}^1\times {\mathrm{47431}}^1$

素因数の和:49124

約数の個数: 80

約数和(自身を含む): 5957204964480

約数和(自身を除く): 3401398810160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1019, 1322, 2038, 2644, 3305, 4076, 5095, 5288, 6610, 8152, 10190, 10576, 13220, 16304, 20380, 26440, 40760, 47431, 52880, 81520, 94862, 189724, 237155, 379448, 474310, 673559, 758896, 948620, 1347118, 1897240, 2694236, 3367795, 3794480, 5388472, 6735590, 10776944, 13471180, 26942360, 31351891, 48332189, 53884720, 62703782, 96664378, 125407564, 156759455, 193328756, 241660945, 250815128, 313518910, 386657512, 483321890, 501630256, 627037820, 773315024, 966643780, 1254075640, 1933287560, 2508151280, 3866575120, 31947576929, 63895153858, 127790307716, 159737884645, 255580615432, 319475769290, 511161230864, 638951538580, 1277903077160, 2555806154320]

約数ペア:

[(1, 2555806154320), (2, 1277903077160), (4, 638951538580), (5, 511161230864), (8, 319475769290), (10, 255580615432), (16, 159737884645), (20, 127790307716), (40, 63895153858), (80, 31947576929), (661, 3866575120), (1019, 2508151280), (1322, 1933287560), (2038, 1254075640), (2644, 966643780), (3305, 773315024), (4076, 627037820), (5095, 501630256), (5288, 483321890), (6610, 386657512), (8152, 313518910), (10190, 250815128), (10576, 241660945), (13220, 193328756), (16304, 156759455), (20380, 125407564), (26440, 96664378), (40760, 62703782), (47431, 53884720), (52880, 48332189), (81520, 31351891), (94862, 26942360), (189724, 13471180), (237155, 10776944), (379448, 6735590), (474310, 5388472), (673559, 3794480), (758896, 3367795), (948620, 2694236), (1347118, 1897240)]