72675560

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{17989}}^1$

素因数の和:18101

約数の個数: 32

約数和(自身を含む): 165148200

約数和(自身を除く): 92472640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 17989, 35978, 71956, 89945, 143912, 179890, 359780, 719560, 1816889, 3633778, 7267556, 9084445, 14535112, 18168890, 36337780, 72675560]

約数ペア:

[(1, 72675560), (2, 36337780), (4, 18168890), (5, 14535112), (8, 9084445), (10, 7267556), (20, 3633778), (40, 1816889), (101, 719560), (202, 359780), (404, 179890), (505, 143912), (808, 89945), (1010, 71956), (2020, 35978), (4040, 17989)]