40745420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{877}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 90272448

約数和(自身を除く): 49527028

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 404, 460, 505, 877, 1010, 1754, 2020, 2323, 3508, 4385, 4646, 8770, 9292, 11615, 17540, 20171, 23230, 40342, 46460, 80684, 88577, 100855, 177154, 201710, 354308, 403420, 442885, 885770, 1771540, 2037271, 4074542, 8149084, 10186355, 20372710, 40745420]

約数ペア:

[(1, 40745420), (2, 20372710), (4, 10186355), (5, 8149084), (10, 4074542), (20, 2037271), (23, 1771540), (46, 885770), (92, 442885), (101, 403420), (115, 354308), (202, 201710), (230, 177154), (404, 100855), (460, 88577), (505, 80684), (877, 46460), (1010, 40342), (1754, 23230), (2020, 20171), (2323, 17540), (3508, 11615), (4385, 9292), (4646, 8770)]