25085320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2582

約数の個数: 64

約数和(自身を含む): 64008000

約数和(自身を除く): 38922680

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 2539, 4940, 5078, 9880, 10156, 12695, 20312, 25390, 33007, 48241, 50780, 66014, 96482, 101560, 132028, 165035, 192964, 241205, 264056, 330070, 385928, 482410, 627133, 660140, 964820, 1254266, 1320280, 1929640, 2508532, 3135665, 5017064, 6271330, 12542660, 25085320]

約数ペア:

[(1, 25085320), (2, 12542660), (4, 6271330), (5, 5017064), (8, 3135665), (10, 2508532), (13, 1929640), (19, 1320280), (20, 1254266), (26, 964820), (38, 660140), (40, 627133), (52, 482410), (65, 385928), (76, 330070), (95, 264056), (104, 241205), (130, 192964), (152, 165035), (190, 132028), (247, 101560), (260, 96482), (380, 66014), (494, 50780), (520, 48241), (760, 33007), (988, 25390), (1235, 20312), (1976, 12695), (2470, 10156), (2539, 9880), (4940, 5078)]