15709427980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19157839}}^1$

素因数の和:19157889

約数の個数: 24

約数和(自身を含む): 33794429760

約数和(自身を除く): 18085001780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 19157839, 38315678, 76631356, 95789195, 191578390, 383156780, 785471399, 1570942798, 3141885596, 3927356995, 7854713990, 15709427980]

約数ペア:

[(1, 15709427980), (2, 7854713990), (4, 3927356995), (5, 3141885596), (10, 1570942798), (20, 785471399), (41, 383156780), (82, 191578390), (164, 95789195), (205, 76631356), (410, 38315678), (820, 19157839)]