80888948870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{3163}}^1$

素因数の和:3621

約数の個数: 64

約数和(自身を含む): 149259801600

約数和(自身を除く): 68370852730

約数列:

[1, 2, 5, 10, 71, 142, 181, 199, 355, 362, 398, 710, 905, 995, 1810, 1990, 3163, 6326, 12851, 14129, 15815, 25702, 28258, 31630, 36019, 64255, 70645, 72038, 128510, 141290, 180095, 224573, 360190, 449146, 572503, 629437, 1122865, 1145006, 1258874, 2245730, 2557349, 2862515, 3147185, 5114698, 5725030, 6294370, 12786745, 25573490, 40647713, 44690027, 81295426, 89380054, 113928097, 203238565, 223450135, 227856194, 406477130, 446900270, 569640485, 1139280970, 8088894887, 16177789774, 40444474435, 80888948870]

約数ペア:

[(1, 80888948870), (2, 40444474435), (5, 16177789774), (10, 8088894887), (71, 1139280970), (142, 569640485), (181, 446900270), (199, 406477130), (355, 227856194), (362, 223450135), (398, 203238565), (710, 113928097), (905, 89380054), (995, 81295426), (1810, 44690027), (1990, 40647713), (3163, 25573490), (6326, 12786745), (12851, 6294370), (14129, 5725030), (15815, 5114698), (25702, 3147185), (28258, 2862515), (31630, 2557349), (36019, 2245730), (64255, 1258874), (70645, 1145006), (72038, 1122865), (128510, 629437), (141290, 572503), (180095, 449146), (224573, 360190)]