28940540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{14327}}^1$

素因数の和:14437

約数の個数: 24

約数和(自身を含む): 61381152

約数和(自身を除く): 32440612

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 14327, 28654, 57308, 71635, 143270, 286540, 1447027, 2894054, 5788108, 7235135, 14470270, 28940540]

約数ペア:

[(1, 28940540), (2, 14470270), (4, 7235135), (5, 5788108), (10, 2894054), (20, 1447027), (101, 286540), (202, 143270), (404, 71635), (505, 57308), (1010, 28654), (2020, 14327)]