405117987520

素因数分解:

$2^6\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1249747}}^1$

素因数の和:1250777

約数の個数: 56

約数和(自身を含む): 965640287664

約数和(自身を除く): 560522300144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1013, 2026, 4052, 5065, 8104, 10130, 16208, 20260, 32416, 40520, 64832, 81040, 162080, 324160, 1249747, 2499494, 4998988, 6248735, 9997976, 12497470, 19995952, 24994940, 39991904, 49989880, 79983808, 99979760, 199959520, 399919040, 1265993711, 2531987422, 5063974844, 6329968555, 10127949688, 12659937110, 20255899376, 25319874220, 40511798752, 50639748440, 81023597504, 101279496880, 202558993760, 405117987520]

約数ペア:

[(1, 405117987520), (2, 202558993760), (4, 101279496880), (5, 81023597504), (8, 50639748440), (10, 40511798752), (16, 25319874220), (20, 20255899376), (32, 12659937110), (40, 10127949688), (64, 6329968555), (80, 5063974844), (160, 2531987422), (320, 1265993711), (1013, 399919040), (2026, 199959520), (4052, 99979760), (5065, 79983808), (8104, 49989880), (10130, 39991904), (16208, 24994940), (20260, 19995952), (32416, 12497470), (40520, 9997976), (64832, 6248735), (81040, 4998988), (162080, 2499494), (324160, 1249747)]