28931500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4451}}^1$

素因数の和:4483

約数の個数: 48

約数和(自身を含む): 68062176

約数和(自身を除く): 39130676

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 4451, 6500, 8902, 17804, 22255, 44510, 57863, 89020, 111275, 115726, 222550, 231452, 289315, 445100, 556375, 578630, 1112750, 1157260, 1446575, 2225500, 2893150, 5786300, 7232875, 14465750, 28931500]

約数ペア:

[(1, 28931500), (2, 14465750), (4, 7232875), (5, 5786300), (10, 2893150), (13, 2225500), (20, 1446575), (25, 1157260), (26, 1112750), (50, 578630), (52, 556375), (65, 445100), (100, 289315), (125, 231452), (130, 222550), (250, 115726), (260, 111275), (325, 89020), (500, 57863), (650, 44510), (1300, 22255), (1625, 17804), (3250, 8902), (4451, 6500)]