25972640

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{599}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 61689600

約数和(自身を除く): 35716960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 599, 1084, 1198, 1355, 2168, 2396, 2710, 2995, 4336, 4792, 5420, 5990, 8672, 9584, 10840, 11980, 19168, 21680, 23960, 43360, 47920, 95840, 162329, 324658, 649316, 811645, 1298632, 1623290, 2597264, 3246580, 5194528, 6493160, 12986320, 25972640]

約数ペア:

[(1, 25972640), (2, 12986320), (4, 6493160), (5, 5194528), (8, 3246580), (10, 2597264), (16, 1623290), (20, 1298632), (32, 811645), (40, 649316), (80, 324658), (160, 162329), (271, 95840), (542, 47920), (599, 43360), (1084, 23960), (1198, 21680), (1355, 19168), (2168, 11980), (2396, 10840), (2710, 9584), (2995, 8672), (4336, 5990), (4792, 5420)]