129100120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{104113}}^1$

素因数の和:104155

約数の個数: 32

約数和(自身を含む): 299848320

約数和(自身を除く): 170748200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 104113, 208226, 416452, 520565, 832904, 1041130, 2082260, 3227503, 4164520, 6455006, 12910012, 16137515, 25820024, 32275030, 64550060, 129100120]

約数ペア:

[(1, 129100120), (2, 64550060), (4, 32275030), (5, 25820024), (8, 16137515), (10, 12910012), (20, 6455006), (31, 4164520), (40, 3227503), (62, 2082260), (124, 1041130), (155, 832904), (248, 520565), (310, 416452), (620, 208226), (1240, 104113)]