28529960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{521}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 66100860

約数和(自身を除く): 37570900

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 521, 740, 1042, 1369, 1480, 2084, 2605, 2738, 4168, 5210, 5476, 6845, 10420, 10952, 13690, 19277, 20840, 27380, 38554, 54760, 77108, 96385, 154216, 192770, 385540, 713249, 771080, 1426498, 2852996, 3566245, 5705992, 7132490, 14264980, 28529960]

約数ペア:

[(1, 28529960), (2, 14264980), (4, 7132490), (5, 5705992), (8, 3566245), (10, 2852996), (20, 1426498), (37, 771080), (40, 713249), (74, 385540), (148, 192770), (185, 154216), (296, 96385), (370, 77108), (521, 54760), (740, 38554), (1042, 27380), (1369, 20840), (1480, 19277), (2084, 13690), (2605, 10952), (2738, 10420), (4168, 6845), (5210, 5476)]