28555625

素因数分解:

$5^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 40

約数和(自身を含む): 41836608

約数和(自身を除く): 13280983

約数列:

[1, 5, 7, 25, 35, 61, 107, 125, 175, 305, 427, 535, 625, 749, 875, 1525, 2135, 2675, 3745, 4375, 6527, 7625, 10675, 13375, 18725, 32635, 38125, 45689, 53375, 66875, 93625, 163175, 228445, 266875, 468125, 815875, 1142225, 4079375, 5711125, 28555625]

約数ペア:

[(1, 28555625), (5, 5711125), (7, 4079375), (25, 1142225), (35, 815875), (61, 468125), (107, 266875), (125, 228445), (175, 163175), (305, 93625), (427, 66875), (535, 53375), (625, 45689), (749, 38125), (875, 32635), (1525, 18725), (2135, 13375), (2675, 10675), (3745, 7625), (4375, 6527)]