28245160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 68331600

約数和(自身を除く): 40086440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 292, 340, 365, 569, 584, 680, 730, 1138, 1241, 1460, 2276, 2482, 2845, 2920, 4552, 4964, 5690, 6205, 9673, 9928, 11380, 12410, 19346, 22760, 24820, 38692, 41537, 48365, 49640, 77384, 83074, 96730, 166148, 193460, 207685, 332296, 386920, 415370, 706129, 830740, 1412258, 1661480, 2824516, 3530645, 5649032, 7061290, 14122580, 28245160]

約数ペア:

[(1, 28245160), (2, 14122580), (4, 7061290), (5, 5649032), (8, 3530645), (10, 2824516), (17, 1661480), (20, 1412258), (34, 830740), (40, 706129), (68, 415370), (73, 386920), (85, 332296), (136, 207685), (146, 193460), (170, 166148), (292, 96730), (340, 83074), (365, 77384), (569, 49640), (584, 48365), (680, 41537), (730, 38692), (1138, 24820), (1241, 22760), (1460, 19346), (2276, 12410), (2482, 11380), (2845, 9928), (2920, 9673), (4552, 6205), (4964, 5690)]