66665920

素因数分解:

$2^6\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1151}}^1$

素因数の和:1349

約数の個数: 56

約数和(自身を含む): 159763968

約数和(自身を除く): 93098048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 181, 320, 362, 724, 905, 1151, 1448, 1810, 2302, 2896, 3620, 4604, 5755, 5792, 7240, 9208, 11510, 11584, 14480, 18416, 23020, 28960, 36832, 46040, 57920, 73664, 92080, 184160, 208331, 368320, 416662, 833324, 1041655, 1666648, 2083310, 3333296, 4166620, 6666592, 8333240, 13333184, 16666480, 33332960, 66665920]

約数ペア:

[(1, 66665920), (2, 33332960), (4, 16666480), (5, 13333184), (8, 8333240), (10, 6666592), (16, 4166620), (20, 3333296), (32, 2083310), (40, 1666648), (64, 1041655), (80, 833324), (160, 416662), (181, 368320), (320, 208331), (362, 184160), (724, 92080), (905, 73664), (1151, 57920), (1448, 46040), (1810, 36832), (2302, 28960), (2896, 23020), (3620, 18416), (4604, 14480), (5755, 11584), (5792, 11510), (7240, 9208)]