4245020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 9948960

約数和(自身を除く): 5703940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 563, 580, 754, 1126, 1508, 1885, 2252, 2815, 3770, 5630, 7319, 7540, 11260, 14638, 16327, 29276, 32654, 36595, 65308, 73190, 81635, 146380, 163270, 212251, 326540, 424502, 849004, 1061255, 2122510, 4245020]

約数ペア:

[(1, 4245020), (2, 2122510), (4, 1061255), (5, 849004), (10, 424502), (13, 326540), (20, 212251), (26, 163270), (29, 146380), (52, 81635), (58, 73190), (65, 65308), (116, 36595), (130, 32654), (145, 29276), (260, 16327), (290, 14638), (377, 11260), (563, 7540), (580, 7319), (754, 5630), (1126, 3770), (1508, 2815), (1885, 2252)]