28135625

素因数分解:

$5^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 40

約数和(自身を含む): 41236800

約数和(自身を除く): 13101175

約数列:

[1, 5, 7, 25, 35, 59, 109, 125, 175, 295, 413, 545, 625, 763, 875, 1475, 2065, 2725, 3815, 4375, 6431, 7375, 10325, 13625, 19075, 32155, 36875, 45017, 51625, 68125, 95375, 160775, 225085, 258125, 476875, 803875, 1125425, 4019375, 5627125, 28135625]

約数ペア:

[(1, 28135625), (5, 5627125), (7, 4019375), (25, 1125425), (35, 803875), (59, 476875), (109, 258125), (125, 225085), (175, 160775), (295, 95375), (413, 68125), (545, 51625), (625, 45017), (763, 36875), (875, 32155), (1475, 19075), (2065, 13625), (2725, 10325), (3815, 7375), (4375, 6431)]