12312520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27983}}^1$

素因数の和:28005

約数の個数: 32

約数和(自身を含む): 30222720

約数和(自身を除く): 17910200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 27983, 55966, 111932, 139915, 223864, 279830, 307813, 559660, 615626, 1119320, 1231252, 1539065, 2462504, 3078130, 6156260, 12312520]

約数ペア:

[(1, 12312520), (2, 6156260), (4, 3078130), (5, 2462504), (8, 1539065), (10, 1231252), (11, 1119320), (20, 615626), (22, 559660), (40, 307813), (44, 279830), (55, 223864), (88, 139915), (110, 111932), (220, 55966), (440, 27983)]