25065760

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3821}}^1$

素因数の和:3877

約数の個数: 48

約数和(自身を含む): 60678072

約数和(自身を除く): 35612312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 3821, 6560, 7642, 15284, 19105, 30568, 38210, 61136, 76420, 122272, 152840, 156661, 305680, 313322, 611360, 626644, 783305, 1253288, 1566610, 2506576, 3133220, 5013152, 6266440, 12532880, 25065760]

約数ペア:

[(1, 25065760), (2, 12532880), (4, 6266440), (5, 5013152), (8, 3133220), (10, 2506576), (16, 1566610), (20, 1253288), (32, 783305), (40, 626644), (41, 611360), (80, 313322), (82, 305680), (160, 156661), (164, 152840), (205, 122272), (328, 76420), (410, 61136), (656, 38210), (820, 30568), (1312, 19105), (1640, 15284), (3280, 7642), (3821, 6560)]