4620980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2568

約数の個数: 48

約数和(自身を含む): 11948160

約数和(自身を除く): 7327180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2539, 5078, 10156, 12695, 17773, 25390, 33007, 35546, 50780, 66014, 71092, 88865, 132028, 165035, 177730, 231049, 330070, 355460, 462098, 660140, 924196, 1155245, 2310490, 4620980]

約数ペア:

[(1, 4620980), (2, 2310490), (4, 1155245), (5, 924196), (7, 660140), (10, 462098), (13, 355460), (14, 330070), (20, 231049), (26, 177730), (28, 165035), (35, 132028), (52, 88865), (65, 71092), (70, 66014), (91, 50780), (130, 35546), (140, 33007), (182, 25390), (260, 17773), (364, 12695), (455, 10156), (910, 5078), (1820, 2539)]