28295200

素因数分解:

$2^5\times 5^2\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:446

約数の個数: 72

約数和(自身を含む): 69909588

約数和(自身を除く): 41614388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 113, 160, 200, 226, 313, 400, 452, 565, 626, 800, 904, 1130, 1252, 1565, 1808, 2260, 2504, 2825, 3130, 3616, 4520, 5008, 5650, 6260, 7825, 9040, 10016, 11300, 12520, 15650, 18080, 22600, 25040, 31300, 35369, 45200, 50080, 62600, 70738, 90400, 125200, 141476, 176845, 250400, 282952, 353690, 565904, 707380, 884225, 1131808, 1414760, 1768450, 2829520, 3536900, 5659040, 7073800, 14147600, 28295200]

約数ペア:

[(1, 28295200), (2, 14147600), (4, 7073800), (5, 5659040), (8, 3536900), (10, 2829520), (16, 1768450), (20, 1414760), (25, 1131808), (32, 884225), (40, 707380), (50, 565904), (80, 353690), (100, 282952), (113, 250400), (160, 176845), (200, 141476), (226, 125200), (313, 90400), (400, 70738), (452, 62600), (565, 50080), (626, 45200), (800, 35369), (904, 31300), (1130, 25040), (1252, 22600), (1565, 18080), (1808, 15650), (2260, 12520), (2504, 11300), (2825, 10016), (3130, 9040), (3616, 7825), (4520, 6260), (5008, 5650)]