155675920

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5879}}^1$

素因数の和:6223

約数の個数: 40

約数和(自身を含む): 363101760

約数和(自身を除く): 207425840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 5296, 5879, 6620, 11758, 13240, 23516, 26480, 29395, 47032, 58790, 94064, 117580, 235160, 470320, 1945949, 3891898, 7783796, 9729745, 15567592, 19459490, 31135184, 38918980, 77837960, 155675920]

約数ペア:

[(1, 155675920), (2, 77837960), (4, 38918980), (5, 31135184), (8, 19459490), (10, 15567592), (16, 9729745), (20, 7783796), (40, 3891898), (80, 1945949), (331, 470320), (662, 235160), (1324, 117580), (1655, 94064), (2648, 58790), (3310, 47032), (5296, 29395), (5879, 26480), (6620, 23516), (11758, 13240)]