80674480

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^2\times {\mathrm{359}}^1$

素因数の和:478

約数の個数: 60

約数和(自身を含む): 191706480

約数和(自身を除く): 111032000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 359, 424, 530, 718, 848, 1060, 1436, 1795, 2120, 2809, 2872, 3590, 4240, 5618, 5744, 7180, 11236, 14045, 14360, 19027, 22472, 28090, 28720, 38054, 44944, 56180, 76108, 95135, 112360, 152216, 190270, 224720, 304432, 380540, 761080, 1008431, 1522160, 2016862, 4033724, 5042155, 8067448, 10084310, 16134896, 20168620, 40337240, 80674480]

約数ペア:

[(1, 80674480), (2, 40337240), (4, 20168620), (5, 16134896), (8, 10084310), (10, 8067448), (16, 5042155), (20, 4033724), (40, 2016862), (53, 1522160), (80, 1008431), (106, 761080), (212, 380540), (265, 304432), (359, 224720), (424, 190270), (530, 152216), (718, 112360), (848, 95135), (1060, 76108), (1436, 56180), (1795, 44944), (2120, 38054), (2809, 28720), (2872, 28090), (3590, 22472), (4240, 19027), (5618, 14360), (5744, 14045), (7180, 11236)]