28923875

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 32

約数和(自身を含む): 38188800

約数和(自身を除く): 9264925

約数列:

[1, 5, 25, 29, 79, 101, 125, 145, 395, 505, 725, 1975, 2291, 2525, 2929, 3625, 7979, 9875, 11455, 12625, 14645, 39895, 57275, 73225, 199475, 231391, 286375, 366125, 997375, 1156955, 5784775, 28923875]

約数ペア:

[(1, 28923875), (5, 5784775), (25, 1156955), (29, 997375), (79, 366125), (101, 286375), (125, 231391), (145, 199475), (395, 73225), (505, 57275), (725, 39895), (1975, 14645), (2291, 12625), (2525, 11455), (2929, 9875), (3625, 7979)]