28757600

素因数分解:

$2^5\times 5^2\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:472

約数の個数: 72

約数和(自身を含む): 71089200

約数和(自身を除く): 42331600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 103, 160, 200, 206, 349, 400, 412, 515, 698, 800, 824, 1030, 1396, 1648, 1745, 2060, 2575, 2792, 3296, 3490, 4120, 5150, 5584, 6980, 8240, 8725, 10300, 11168, 13960, 16480, 17450, 20600, 27920, 34900, 35947, 41200, 55840, 69800, 71894, 82400, 139600, 143788, 179735, 279200, 287576, 359470, 575152, 718940, 898675, 1150304, 1437880, 1797350, 2875760, 3594700, 5751520, 7189400, 14378800, 28757600]

約数ペア:

[(1, 28757600), (2, 14378800), (4, 7189400), (5, 5751520), (8, 3594700), (10, 2875760), (16, 1797350), (20, 1437880), (25, 1150304), (32, 898675), (40, 718940), (50, 575152), (80, 359470), (100, 287576), (103, 279200), (160, 179735), (200, 143788), (206, 139600), (349, 82400), (400, 71894), (412, 69800), (515, 55840), (698, 41200), (800, 35947), (824, 34900), (1030, 27920), (1396, 20600), (1648, 17450), (1745, 16480), (2060, 13960), (2575, 11168), (2792, 10300), (3296, 8725), (3490, 8240), (4120, 6980), (5150, 5584)]