28785250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 61562592

約数和(自身を除く): 32777342

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 325, 425, 442, 521, 650, 850, 1042, 1105, 1625, 2125, 2210, 2605, 3250, 4250, 5210, 5525, 6773, 8857, 11050, 13025, 13546, 17714, 26050, 27625, 33865, 44285, 55250, 65125, 67730, 88570, 115141, 130250, 169325, 221425, 230282, 338650, 442850, 575705, 846625, 1107125, 1151410, 1693250, 2214250, 2878525, 5757050, 14392625, 28785250]

約数ペア:

[(1, 28785250), (2, 14392625), (5, 5757050), (10, 2878525), (13, 2214250), (17, 1693250), (25, 1151410), (26, 1107125), (34, 846625), (50, 575705), (65, 442850), (85, 338650), (125, 230282), (130, 221425), (170, 169325), (221, 130250), (250, 115141), (325, 88570), (425, 67730), (442, 65125), (521, 55250), (650, 44285), (850, 33865), (1042, 27625), (1105, 26050), (1625, 17714), (2125, 13546), (2210, 13025), (2605, 11050), (3250, 8857), (4250, 6773), (5210, 5525)]