206804720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83389}}^1$

素因数の和:83433

約数の個数: 40

約数和(自身を含む): 496337280

約数和(自身を除く): 289532560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 83389, 166778, 333556, 416945, 667112, 833890, 1334224, 1667780, 2585059, 3335560, 5170118, 6671120, 10340236, 12925295, 20680472, 25850590, 41360944, 51701180, 103402360, 206804720]

約数ペア:

[(1, 206804720), (2, 103402360), (4, 51701180), (5, 41360944), (8, 25850590), (10, 20680472), (16, 12925295), (20, 10340236), (31, 6671120), (40, 5170118), (62, 3335560), (80, 2585059), (124, 1667780), (155, 1334224), (248, 833890), (310, 667112), (496, 416945), (620, 333556), (1240, 166778), (2480, 83389)]