401035760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122267}}^1$

素因数の和:122321

約数の個数: 40

約数和(自身を含む): 955157616

約数和(自身を除く): 554121856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 122267, 244534, 489068, 611335, 978136, 1222670, 1956272, 2445340, 4890680, 5012947, 9781360, 10025894, 20051788, 25064735, 40103576, 50129470, 80207152, 100258940, 200517880, 401035760]

約数ペア:

[(1, 401035760), (2, 200517880), (4, 100258940), (5, 80207152), (8, 50129470), (10, 40103576), (16, 25064735), (20, 20051788), (40, 10025894), (41, 9781360), (80, 5012947), (82, 4890680), (164, 2445340), (205, 1956272), (328, 1222670), (410, 978136), (656, 611335), (820, 489068), (1640, 244534), (3280, 122267)]