205114480

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{9461}}^1$

素因数の和:9745

約数の個数: 40

約数和(自身を含む): 478701504

約数和(自身を除く): 273587024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 9461, 10840, 18922, 21680, 37844, 47305, 75688, 94610, 151376, 189220, 378440, 756880, 2563931, 5127862, 10255724, 12819655, 20511448, 25639310, 41022896, 51278620, 102557240, 205114480]

約数ペア:

[(1, 205114480), (2, 102557240), (4, 51278620), (5, 41022896), (8, 25639310), (10, 20511448), (16, 12819655), (20, 10255724), (40, 5127862), (80, 2563931), (271, 756880), (542, 378440), (1084, 189220), (1355, 151376), (2168, 94610), (2710, 75688), (4336, 47305), (5420, 37844), (9461, 21680), (10840, 18922)]