28798250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8861}}^1$

素因数の和:8891

約数の個数: 32

約数和(自身を含む): 58063824

約数和(自身を除く): 29265574

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 8861, 17722, 44305, 88610, 115193, 221525, 230386, 443050, 575965, 1107625, 1151930, 2215250, 2879825, 5759650, 14399125, 28798250]

約数ペア:

[(1, 28798250), (2, 14399125), (5, 5759650), (10, 2879825), (13, 2215250), (25, 1151930), (26, 1107625), (50, 575965), (65, 443050), (125, 230386), (130, 221525), (250, 115193), (325, 88610), (650, 44305), (1625, 17722), (3250, 8861)]