40007716

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 85954176

約数和(自身を除く): 45946460

約数列:

[1, 2, 4, 7, 14, 28, 43, 47, 49, 86, 94, 98, 101, 172, 188, 196, 202, 301, 329, 404, 602, 658, 707, 1204, 1316, 1414, 2021, 2107, 2303, 2828, 4042, 4214, 4343, 4606, 4747, 4949, 8084, 8428, 8686, 9212, 9494, 9898, 14147, 17372, 18988, 19796, 28294, 30401, 33229, 56588, 60802, 66458, 99029, 121604, 132916, 198058, 204121, 212807, 232603, 396116, 408242, 425614, 465206, 816484, 851228, 930412, 1428847, 2857694, 5715388, 10001929, 20003858, 40007716]

約数ペア:

[(1, 40007716), (2, 20003858), (4, 10001929), (7, 5715388), (14, 2857694), (28, 1428847), (43, 930412), (47, 851228), (49, 816484), (86, 465206), (94, 425614), (98, 408242), (101, 396116), (172, 232603), (188, 212807), (196, 204121), (202, 198058), (301, 132916), (329, 121604), (404, 99029), (602, 66458), (658, 60802), (707, 56588), (1204, 33229), (1316, 30401), (1414, 28294), (2021, 19796), (2107, 18988), (2303, 17372), (2828, 14147), (4042, 9898), (4214, 9494), (4343, 9212), (4606, 8686), (4747, 8428), (4949, 8084)]