87346040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{409}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 208116000

約数和(自身を除く): 120769960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 281, 380, 409, 562, 760, 818, 1124, 1405, 1636, 2045, 2248, 2810, 3272, 4090, 5339, 5620, 7771, 8180, 10678, 11240, 15542, 16360, 21356, 26695, 31084, 38855, 42712, 53390, 62168, 77710, 106780, 114929, 155420, 213560, 229858, 310840, 459716, 574645, 919432, 1149290, 2183651, 2298580, 4367302, 4597160, 8734604, 10918255, 17469208, 21836510, 43673020, 87346040]

約数ペア:

[(1, 87346040), (2, 43673020), (4, 21836510), (5, 17469208), (8, 10918255), (10, 8734604), (19, 4597160), (20, 4367302), (38, 2298580), (40, 2183651), (76, 1149290), (95, 919432), (152, 574645), (190, 459716), (281, 310840), (380, 229858), (409, 213560), (562, 155420), (760, 114929), (818, 106780), (1124, 77710), (1405, 62168), (1636, 53390), (2045, 42712), (2248, 38855), (2810, 31084), (3272, 26695), (4090, 21356), (5339, 16360), (5620, 15542), (7771, 11240), (8180, 10678)]