28668250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8821}}^1$

素因数の和:8851

約数の個数: 32

約数和(自身を含む): 57801744

約数和(自身を除く): 29133494

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 8821, 17642, 44105, 88210, 114673, 220525, 229346, 441050, 573365, 1102625, 1146730, 2205250, 2866825, 5733650, 14334125, 28668250]

約数ペア:

[(1, 28668250), (2, 14334125), (5, 5733650), (10, 2866825), (13, 2205250), (25, 1146730), (26, 1102625), (50, 573365), (65, 441050), (125, 229346), (130, 220525), (250, 114673), (325, 88210), (650, 44105), (1625, 17642), (3250, 8821)]