39641875

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:98

約数の個数: 80

約数和(自身を含む): 66128832

約数和(自身を除く): 26486957

約数列:

[1, 5, 7, 13, 17, 25, 35, 41, 65, 85, 91, 119, 125, 175, 205, 221, 287, 325, 425, 455, 533, 595, 625, 697, 875, 1025, 1105, 1435, 1547, 1625, 2125, 2275, 2665, 2975, 3485, 3731, 4375, 4879, 5125, 5525, 7175, 7735, 8125, 9061, 10625, 11375, 13325, 14875, 17425, 18655, 24395, 25625, 27625, 35875, 38675, 45305, 56875, 63427, 66625, 74375, 87125, 93275, 121975, 138125, 179375, 193375, 226525, 317135, 333125, 435625, 466375, 609875, 966875, 1132625, 1585675, 2331875, 3049375, 5663125, 7928375, 39641875]

約数ペア:

[(1, 39641875), (5, 7928375), (7, 5663125), (13, 3049375), (17, 2331875), (25, 1585675), (35, 1132625), (41, 966875), (65, 609875), (85, 466375), (91, 435625), (119, 333125), (125, 317135), (175, 226525), (205, 193375), (221, 179375), (287, 138125), (325, 121975), (425, 93275), (455, 87125), (533, 74375), (595, 66625), (625, 63427), (697, 56875), (875, 45305), (1025, 38675), (1105, 35875), (1435, 27625), (1547, 25625), (1625, 24395), (2125, 18655), (2275, 17425), (2665, 14875), (2975, 13325), (3485, 11375), (3731, 10625), (4375, 9061), (4879, 8125), (5125, 7735), (5525, 7175)]