159555920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{104971}}^1$

素因数の和:105003

約数の個数: 40

約数和(自身を含む): 390495840

約数和(自身を除く): 230939920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 104971, 209942, 419884, 524855, 839768, 1049710, 1679536, 1994449, 2099420, 3988898, 4198840, 7977796, 8397680, 9972245, 15955592, 19944490, 31911184, 39888980, 79777960, 159555920]

約数ペア:

[(1, 159555920), (2, 79777960), (4, 39888980), (5, 31911184), (8, 19944490), (10, 15955592), (16, 9972245), (19, 8397680), (20, 7977796), (38, 4198840), (40, 3988898), (76, 2099420), (80, 1994449), (95, 1679536), (152, 1049710), (190, 839768), (304, 524855), (380, 419884), (760, 209942), (1520, 104971)]