28794440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11801}}^1$

素因数の和:11873

約数の個数: 32

約数和(自身を含む): 65855160

約数和(自身を除く): 37060720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 11801, 23602, 47204, 59005, 94408, 118010, 236020, 472040, 719861, 1439722, 2879444, 3599305, 5758888, 7198610, 14397220, 28794440]

約数ペア:

[(1, 28794440), (2, 14397220), (4, 7198610), (5, 5758888), (8, 3599305), (10, 2879444), (20, 1439722), (40, 719861), (61, 472040), (122, 236020), (244, 118010), (305, 94408), (488, 59005), (610, 47204), (1220, 23602), (2440, 11801)]