1520797525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2539}}^1$

素因数の和:2678

約数の個数: 48

約数和(自身を含む): 2160625600

約数和(自身を除く): 639828075

約数列:

[1, 5, 13, 19, 25, 65, 95, 97, 247, 325, 475, 485, 1235, 1261, 1843, 2425, 2539, 6175, 6305, 9215, 12695, 23959, 31525, 33007, 46075, 48241, 63475, 119795, 165035, 241205, 246283, 598975, 627133, 825175, 1206025, 1231415, 3135665, 3201679, 4679377, 6157075, 15678325, 16008395, 23396885, 60831901, 80041975, 116984425, 304159505, 1520797525]

約数ペア:

[(1, 1520797525), (5, 304159505), (13, 116984425), (19, 80041975), (25, 60831901), (65, 23396885), (95, 16008395), (97, 15678325), (247, 6157075), (325, 4679377), (475, 3201679), (485, 3135665), (1235, 1231415), (1261, 1206025), (1843, 825175), (2425, 627133), (2539, 598975), (6175, 246283), (6305, 241205), (9215, 165035), (12695, 119795), (23959, 63475), (31525, 48241), (33007, 46075)]