25671340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 56038752

約数和(自身を除く): 30367412

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 113, 148, 185, 226, 307, 370, 452, 565, 614, 740, 1130, 1228, 1535, 2260, 3070, 4181, 6140, 8362, 11359, 16724, 20905, 22718, 34691, 41810, 45436, 56795, 69382, 83620, 113590, 138764, 173455, 227180, 346910, 693820, 1283567, 2567134, 5134268, 6417835, 12835670, 25671340]

約数ペア:

[(1, 25671340), (2, 12835670), (4, 6417835), (5, 5134268), (10, 2567134), (20, 1283567), (37, 693820), (74, 346910), (113, 227180), (148, 173455), (185, 138764), (226, 113590), (307, 83620), (370, 69382), (452, 56795), (565, 45436), (614, 41810), (740, 34691), (1130, 22718), (1228, 20905), (1535, 16724), (2260, 11359), (3070, 8362), (4181, 6140)]