81483680

素因数分解:

$2^5\times 5^1\times {\mathrm{607}}^1\times {\mathrm{839}}^1$

素因数の和:1461

約数の個数: 48

約数和(自身を含む): 193052160

約数和(自身を除く): 111568480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 607, 839, 1214, 1678, 2428, 3035, 3356, 4195, 4856, 6070, 6712, 8390, 9712, 12140, 13424, 16780, 19424, 24280, 26848, 33560, 48560, 67120, 97120, 134240, 509273, 1018546, 2037092, 2546365, 4074184, 5092730, 8148368, 10185460, 16296736, 20370920, 40741840, 81483680]

約数ペア:

[(1, 81483680), (2, 40741840), (4, 20370920), (5, 16296736), (8, 10185460), (10, 8148368), (16, 5092730), (20, 4074184), (32, 2546365), (40, 2037092), (80, 1018546), (160, 509273), (607, 134240), (839, 97120), (1214, 67120), (1678, 48560), (2428, 33560), (3035, 26848), (3356, 24280), (4195, 19424), (4856, 16780), (6070, 13424), (6712, 12140), (8390, 9712)]