15691144375

素因数分解:

$5^4\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{4243}}^1$

素因数の和:4421

約数の個数: 40

約数和(自身を含む): 20139290864

約数和(自身を除く): 4448146489

約数列:

[1, 5, 25, 61, 97, 125, 305, 485, 625, 1525, 2425, 4243, 5917, 7625, 12125, 21215, 29585, 38125, 60625, 106075, 147925, 258823, 411571, 530375, 739625, 1294115, 2057855, 2651875, 3698125, 6470575, 10289275, 25105831, 32352875, 51446375, 125529155, 161764375, 257231875, 627645775, 3138228875, 15691144375]

約数ペア:

[(1, 15691144375), (5, 3138228875), (25, 627645775), (61, 257231875), (97, 161764375), (125, 125529155), (305, 51446375), (485, 32352875), (625, 25105831), (1525, 10289275), (2425, 6470575), (4243, 3698125), (5917, 2651875), (7625, 2057855), (12125, 1294115), (21215, 739625), (29585, 530375), (38125, 411571), (60625, 258823), (106075, 147925)]