145527640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{117361}}^1$

素因数の和:117403

約数の個数: 32

約数和(自身を含む): 338002560

約数和(自身を除く): 192474920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 117361, 234722, 469444, 586805, 938888, 1173610, 2347220, 3638191, 4694440, 7276382, 14552764, 18190955, 29105528, 36381910, 72763820, 145527640]

約数ペア:

[(1, 145527640), (2, 72763820), (4, 36381910), (5, 29105528), (8, 18190955), (10, 14552764), (20, 7276382), (31, 4694440), (40, 3638191), (62, 2347220), (124, 1173610), (155, 938888), (248, 586805), (310, 469444), (620, 234722), (1240, 117361)]