40152940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2129}}^1$

素因数の和:2202

約数の個数: 48

約数和(自身を含む): 90175680

約数和(自身を除く): 50022740

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 2129, 3772, 4258, 4715, 8516, 9430, 10645, 18860, 21290, 42580, 48967, 87289, 97934, 174578, 195868, 244835, 349156, 436445, 489670, 872890, 979340, 1745780, 2007647, 4015294, 8030588, 10038235, 20076470, 40152940]

約数ペア:

[(1, 40152940), (2, 20076470), (4, 10038235), (5, 8030588), (10, 4015294), (20, 2007647), (23, 1745780), (41, 979340), (46, 872890), (82, 489670), (92, 436445), (115, 349156), (164, 244835), (205, 195868), (230, 174578), (410, 97934), (460, 87289), (820, 48967), (943, 42580), (1886, 21290), (2129, 18860), (3772, 10645), (4258, 9430), (4715, 8516)]