2790920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6343}}^1$

素因数の和:6365

約数の個数: 32

約数和(自身を含む): 6851520

約数和(自身を除く): 4060600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6343, 12686, 25372, 31715, 50744, 63430, 69773, 126860, 139546, 253720, 279092, 348865, 558184, 697730, 1395460, 2790920]

約数ペア:

[(1, 2790920), (2, 1395460), (4, 697730), (5, 558184), (8, 348865), (10, 279092), (11, 253720), (20, 139546), (22, 126860), (40, 69773), (44, 63430), (55, 50744), (88, 31715), (110, 25372), (220, 12686), (440, 6343)]