9831980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8059}}^1$

素因数の和:8129

約数の個数: 24

約数和(自身を含む): 20988240

約数和(自身を除く): 11156260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 8059, 16118, 32236, 40295, 80590, 161180, 491599, 983198, 1966396, 2457995, 4915990, 9831980]

約数ペア:

[(1, 9831980), (2, 4915990), (4, 2457995), (5, 1966396), (10, 983198), (20, 491599), (61, 161180), (122, 80590), (244, 40295), (305, 32236), (610, 16118), (1220, 8059)]