26908750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:155

約数の個数: 80

約数和(自身を含む): 58481280

約数和(自身を除く): 31572530

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 103, 110, 125, 190, 206, 209, 250, 275, 418, 475, 515, 550, 625, 950, 1030, 1045, 1133, 1250, 1375, 1957, 2090, 2266, 2375, 2575, 2750, 3914, 4750, 5150, 5225, 5665, 6875, 9785, 10450, 11330, 11875, 12875, 13750, 19570, 21527, 23750, 25750, 26125, 28325, 43054, 48925, 52250, 56650, 64375, 97850, 107635, 128750, 130625, 141625, 215270, 244625, 261250, 283250, 489250, 538175, 708125, 1076350, 1223125, 1416250, 2446250, 2690875, 5381750, 13454375, 26908750]

約数ペア:

[(1, 26908750), (2, 13454375), (5, 5381750), (10, 2690875), (11, 2446250), (19, 1416250), (22, 1223125), (25, 1076350), (38, 708125), (50, 538175), (55, 489250), (95, 283250), (103, 261250), (110, 244625), (125, 215270), (190, 141625), (206, 130625), (209, 128750), (250, 107635), (275, 97850), (418, 64375), (475, 56650), (515, 52250), (550, 48925), (625, 43054), (950, 28325), (1030, 26125), (1045, 25750), (1133, 23750), (1250, 21527), (1375, 19570), (1957, 13750), (2090, 12875), (2266, 11875), (2375, 11330), (2575, 10450), (2750, 9785), (3914, 6875), (4750, 5665), (5150, 5225)]