78365680

素因数分解:

$2^4\times 5^1\times {\mathrm{967}}^1\times {\mathrm{1013}}^1$

素因数の和:1993

約数の個数: 40

約数和(自身を含む): 182568672

約数和(自身を除く): 104202992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 967, 1013, 1934, 2026, 3868, 4052, 4835, 5065, 7736, 8104, 9670, 10130, 15472, 16208, 19340, 20260, 38680, 40520, 77360, 81040, 979571, 1959142, 3918284, 4897855, 7836568, 9795710, 15673136, 19591420, 39182840, 78365680]

約数ペア:

[(1, 78365680), (2, 39182840), (4, 19591420), (5, 15673136), (8, 9795710), (10, 7836568), (16, 4897855), (20, 3918284), (40, 1959142), (80, 979571), (967, 81040), (1013, 77360), (1934, 40520), (2026, 38680), (3868, 20260), (4052, 19340), (4835, 16208), (5065, 15472), (7736, 10130), (8104, 9670)]