63540080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25621}}^1$

素因数の和:25665

約数の個数: 40

約数和(自身を含む): 152502144

約数和(自身を除く): 88962064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 25621, 51242, 102484, 128105, 204968, 256210, 409936, 512420, 794251, 1024840, 1588502, 2049680, 3177004, 3971255, 6354008, 7942510, 12708016, 15885020, 31770040, 63540080]

約数ペア:

[(1, 63540080), (2, 31770040), (4, 15885020), (5, 12708016), (8, 7942510), (10, 6354008), (16, 3971255), (20, 3177004), (31, 2049680), (40, 1588502), (62, 1024840), (80, 794251), (124, 512420), (155, 409936), (248, 256210), (310, 204968), (496, 128105), (620, 102484), (1240, 51242), (2480, 25621)]