20245750675

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{2557}}^1$

素因数の和:2876

約数の個数: 48

約数和(自身を含む): 26897881600

約数和(自身を除く): 6652130925

約数列:

[1, 5, 19, 25, 79, 95, 211, 395, 475, 1055, 1501, 1975, 2557, 4009, 5275, 7505, 12785, 16669, 20045, 37525, 48583, 63925, 83345, 100225, 202003, 242915, 316711, 416725, 539527, 1010015, 1214575, 1583555, 2697635, 3838057, 5050075, 7917775, 10251013, 13488175, 19190285, 42622633, 51255065, 95951425, 213113165, 256275325, 809830027, 1065565825, 4049150135, 20245750675]

約数ペア:

[(1, 20245750675), (5, 4049150135), (19, 1065565825), (25, 809830027), (79, 256275325), (95, 213113165), (211, 95951425), (395, 51255065), (475, 42622633), (1055, 19190285), (1501, 13488175), (1975, 10251013), (2557, 7917775), (4009, 5050075), (5275, 3838057), (7505, 2697635), (12785, 1583555), (16669, 1214575), (20045, 1010015), (37525, 539527), (48583, 416725), (63925, 316711), (83345, 242915), (100225, 202003)]