165660280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{133597}}^1$

素因数の和:133639

約数の個数: 32

約数和(自身を含む): 384762240

約数和(自身を除く): 219101960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 133597, 267194, 534388, 667985, 1068776, 1335970, 2671940, 4141507, 5343880, 8283014, 16566028, 20707535, 33132056, 41415070, 82830140, 165660280]

約数ペア:

[(1, 165660280), (2, 82830140), (4, 41415070), (5, 33132056), (8, 20707535), (10, 16566028), (20, 8283014), (31, 5343880), (40, 4141507), (62, 2671940), (124, 1335970), (155, 1068776), (248, 667985), (310, 534388), (620, 267194), (1240, 133597)]