25320640

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1181}}^1$

素因数の和:1265

約数の個数: 56

約数和(自身を含む): 61246512

約数和(自身を除く): 35925872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1181, 1340, 2144, 2362, 2680, 4288, 4724, 5360, 5905, 9448, 10720, 11810, 18896, 21440, 23620, 37792, 47240, 75584, 79127, 94480, 158254, 188960, 316508, 377920, 395635, 633016, 791270, 1266032, 1582540, 2532064, 3165080, 5064128, 6330160, 12660320, 25320640]

約数ペア:

[(1, 25320640), (2, 12660320), (4, 6330160), (5, 5064128), (8, 3165080), (10, 2532064), (16, 1582540), (20, 1266032), (32, 791270), (40, 633016), (64, 395635), (67, 377920), (80, 316508), (134, 188960), (160, 158254), (268, 94480), (320, 79127), (335, 75584), (536, 47240), (670, 37792), (1072, 23620), (1181, 21440), (1340, 18896), (2144, 11810), (2362, 10720), (2680, 9448), (4288, 5905), (4724, 5360)]