12031640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4931}}^1$

素因数の和:5003

約数の個数: 32

約数和(自身を含む): 27520560

約数和(自身を除く): 15488920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 4931, 9862, 19724, 24655, 39448, 49310, 98620, 197240, 300791, 601582, 1203164, 1503955, 2406328, 3007910, 6015820, 12031640]

約数ペア:

[(1, 12031640), (2, 6015820), (4, 3007910), (5, 2406328), (8, 1503955), (10, 1203164), (20, 601582), (40, 300791), (61, 197240), (122, 98620), (244, 49310), (305, 39448), (488, 24655), (610, 19724), (1220, 9862), (2440, 4931)]