87098840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70241}}^1$

素因数の和:70283

約数の個数: 32

約数和(自身を含む): 202296960

約数和(自身を除く): 115198120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 70241, 140482, 280964, 351205, 561928, 702410, 1404820, 2177471, 2809640, 4354942, 8709884, 10887355, 17419768, 21774710, 43549420, 87098840]

約数ペア:

[(1, 87098840), (2, 43549420), (4, 21774710), (5, 17419768), (8, 10887355), (10, 8709884), (20, 4354942), (31, 2809640), (40, 2177471), (62, 1404820), (124, 702410), (155, 561928), (248, 351205), (310, 280964), (620, 140482), (1240, 70241)]