201243580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{245419}}^1$

素因数の和:245469

約数の個数: 24

約数和(自身を含む): 432920880

約数和(自身を除く): 231677300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 245419, 490838, 981676, 1227095, 2454190, 4908380, 10062179, 20124358, 40248716, 50310895, 100621790, 201243580]

約数ペア:

[(1, 201243580), (2, 100621790), (4, 50310895), (5, 40248716), (10, 20124358), (20, 10062179), (41, 4908380), (82, 2454190), (164, 1227095), (205, 981676), (410, 490838), (820, 245419)]