48039940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 111508488

約数和(自身を除く): 63468548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 169, 233, 244, 260, 305, 338, 466, 610, 676, 793, 845, 932, 1165, 1220, 1586, 1690, 2330, 3029, 3172, 3380, 3965, 4660, 6058, 7930, 10309, 12116, 14213, 15145, 15860, 20618, 28426, 30290, 39377, 41236, 51545, 56852, 60580, 71065, 78754, 103090, 142130, 157508, 184769, 196885, 206180, 284260, 369538, 393770, 739076, 787540, 923845, 1847690, 2401997, 3695380, 4803994, 9607988, 12009985, 24019970, 48039940]

約数ペア:

[(1, 48039940), (2, 24019970), (4, 12009985), (5, 9607988), (10, 4803994), (13, 3695380), (20, 2401997), (26, 1847690), (52, 923845), (61, 787540), (65, 739076), (122, 393770), (130, 369538), (169, 284260), (233, 206180), (244, 196885), (260, 184769), (305, 157508), (338, 142130), (466, 103090), (610, 78754), (676, 71065), (793, 60580), (845, 56852), (932, 51545), (1165, 41236), (1220, 39377), (1586, 30290), (1690, 28426), (2330, 20618), (3029, 15860), (3172, 15145), (3380, 14213), (3965, 12116), (4660, 10309), (6058, 7930)]