15511120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4729}}^1$

素因数の和:4783

約数の個数: 40

約数和(自身を含む): 36950760

約数和(自身を除く): 21439640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4729, 9458, 18916, 23645, 37832, 47290, 75664, 94580, 189160, 193889, 378320, 387778, 775556, 969445, 1551112, 1938890, 3102224, 3877780, 7755560, 15511120]

約数ペア:

[(1, 15511120), (2, 7755560), (4, 3877780), (5, 3102224), (8, 1938890), (10, 1551112), (16, 969445), (20, 775556), (40, 387778), (41, 378320), (80, 193889), (82, 189160), (164, 94580), (205, 75664), (328, 47290), (410, 37832), (656, 23645), (820, 18916), (1640, 9458), (3280, 4729)]