2549204020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{31573}}^1$

素因数の和:31960

約数の個数: 48

約数和(自身を含む): 5856092928

約数和(自身を除く): 3306888908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 367, 734, 1468, 1835, 3670, 4037, 7340, 8074, 16148, 20185, 31573, 40370, 63146, 80740, 126292, 157865, 315730, 347303, 631460, 694606, 1389212, 1736515, 3473030, 6946060, 11587291, 23174582, 46349164, 57936455, 115872910, 127460201, 231745820, 254920402, 509840804, 637301005, 1274602010, 2549204020]

約数ペア:

[(1, 2549204020), (2, 1274602010), (4, 637301005), (5, 509840804), (10, 254920402), (11, 231745820), (20, 127460201), (22, 115872910), (44, 57936455), (55, 46349164), (110, 23174582), (220, 11587291), (367, 6946060), (734, 3473030), (1468, 1736515), (1835, 1389212), (3670, 694606), (4037, 631460), (7340, 347303), (8074, 315730), (16148, 157865), (20185, 126292), (31573, 80740), (40370, 63146)]