25451270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 52557120

約数和(自身を除く): 27105850

約数列:

[1, 2, 5, 10, 13, 26, 29, 43, 58, 65, 86, 130, 145, 157, 215, 290, 314, 377, 430, 559, 754, 785, 1118, 1247, 1570, 1885, 2041, 2494, 2795, 3770, 4082, 4553, 5590, 6235, 6751, 9106, 10205, 12470, 13502, 16211, 20410, 22765, 32422, 33755, 45530, 59189, 67510, 81055, 87763, 118378, 162110, 175526, 195779, 295945, 391558, 438815, 591890, 877630, 978895, 1957790, 2545127, 5090254, 12725635, 25451270]

約数ペア:

[(1, 25451270), (2, 12725635), (5, 5090254), (10, 2545127), (13, 1957790), (26, 978895), (29, 877630), (43, 591890), (58, 438815), (65, 391558), (86, 295945), (130, 195779), (145, 175526), (157, 162110), (215, 118378), (290, 87763), (314, 81055), (377, 67510), (430, 59189), (559, 45530), (754, 33755), (785, 32422), (1118, 22765), (1247, 20410), (1570, 16211), (1885, 13502), (2041, 12470), (2494, 10205), (2795, 9106), (3770, 6751), (4082, 6235), (4553, 5590)]