40105975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 66086048

約数和(自身を除く): 25980073

約数列:

[1, 5, 7, 13, 17, 25, 35, 61, 65, 85, 91, 119, 175, 221, 289, 305, 325, 425, 427, 455, 595, 793, 1037, 1105, 1445, 1525, 1547, 2023, 2135, 2275, 2975, 3757, 3965, 5185, 5525, 5551, 7225, 7259, 7735, 10115, 10675, 13481, 17629, 18785, 19825, 25925, 26299, 27755, 36295, 38675, 50575, 67405, 88145, 93925, 94367, 123403, 131495, 138775, 181475, 229177, 337025, 440725, 471835, 617015, 657475, 1145885, 1604239, 2359175, 3085075, 5729425, 8021195, 40105975]

約数ペア:

[(1, 40105975), (5, 8021195), (7, 5729425), (13, 3085075), (17, 2359175), (25, 1604239), (35, 1145885), (61, 657475), (65, 617015), (85, 471835), (91, 440725), (119, 337025), (175, 229177), (221, 181475), (289, 138775), (305, 131495), (325, 123403), (425, 94367), (427, 93925), (455, 88145), (595, 67405), (793, 50575), (1037, 38675), (1105, 36295), (1445, 27755), (1525, 26299), (1547, 25925), (2023, 19825), (2135, 18785), (2275, 17629), (2975, 13481), (3757, 10675), (3965, 10115), (5185, 7735), (5525, 7259), (5551, 7225)]