28624375

素因数分解:

$5^4\times {\mathrm{13}}^2\times {\mathrm{271}}^1$

素因数の和:317

約数の個数: 30

約数和(自身を含む): 38875056

約数和(自身を除く): 10250681

約数列:

[1, 5, 13, 25, 65, 125, 169, 271, 325, 625, 845, 1355, 1625, 3523, 4225, 6775, 8125, 17615, 21125, 33875, 45799, 88075, 105625, 169375, 228995, 440375, 1144975, 2201875, 5724875, 28624375]

約数ペア:

[(1, 28624375), (5, 5724875), (13, 2201875), (25, 1144975), (65, 440375), (125, 228995), (169, 169375), (271, 105625), (325, 88075), (625, 45799), (845, 33875), (1355, 21125), (1625, 17615), (3523, 8125), (4225, 6775)]