25165550

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 49080192

約数和(自身を除く): 23914642

約数列:

[1, 2, 5, 10, 25, 37, 50, 61, 74, 122, 185, 223, 305, 370, 446, 610, 925, 1115, 1525, 1850, 2230, 2257, 3050, 4514, 5575, 8251, 11150, 11285, 13603, 16502, 22570, 27206, 41255, 56425, 68015, 82510, 112850, 136030, 206275, 340075, 412550, 503311, 680150, 1006622, 2516555, 5033110, 12582775, 25165550]

約数ペア:

[(1, 25165550), (2, 12582775), (5, 5033110), (10, 2516555), (25, 1006622), (37, 680150), (50, 503311), (61, 412550), (74, 340075), (122, 206275), (185, 136030), (223, 112850), (305, 82510), (370, 68015), (446, 56425), (610, 41255), (925, 27206), (1115, 22570), (1525, 16502), (1850, 13603), (2230, 11285), (2257, 11150), (3050, 8251), (4514, 5575)]