70980080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28621}}^1$

素因数の和:28665

約数の個数: 40

約数和(自身を含む): 170358144

約数和(自身を除く): 99378064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28621, 57242, 114484, 143105, 228968, 286210, 457936, 572420, 887251, 1144840, 1774502, 2289680, 3549004, 4436255, 7098008, 8872510, 14196016, 17745020, 35490040, 70980080]

約数ペア:

[(1, 70980080), (2, 35490040), (4, 17745020), (5, 14196016), (8, 8872510), (10, 7098008), (16, 4436255), (20, 3549004), (31, 2289680), (40, 1774502), (62, 1144840), (80, 887251), (124, 572420), (155, 457936), (248, 286210), (310, 228968), (496, 143105), (620, 114484), (1240, 57242), (2480, 28621)]