19860160

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1171}}^1$

素因数の和:1241

約数の個数: 56

約数和(自身を含む): 48225456

約数和(自身を除く): 28365296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1171, 1696, 2120, 2342, 3392, 4240, 4684, 5855, 8480, 9368, 11710, 16960, 18736, 23420, 37472, 46840, 62063, 74944, 93680, 124126, 187360, 248252, 310315, 374720, 496504, 620630, 993008, 1241260, 1986016, 2482520, 3972032, 4965040, 9930080, 19860160]

約数ペア:

[(1, 19860160), (2, 9930080), (4, 4965040), (5, 3972032), (8, 2482520), (10, 1986016), (16, 1241260), (20, 993008), (32, 620630), (40, 496504), (53, 374720), (64, 310315), (80, 248252), (106, 187360), (160, 124126), (212, 93680), (265, 74944), (320, 62063), (424, 46840), (530, 37472), (848, 23420), (1060, 18736), (1171, 16960), (1696, 11710), (2120, 9368), (2342, 8480), (3392, 5855), (4240, 4684)]