28579660

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5273}}^1$

素因数の和:5553

約数の個数: 24

約数和(自身を含む): 60250176

約数和(自身を除く): 31670516

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5273, 5420, 10546, 21092, 26365, 52730, 105460, 1428983, 2857966, 5715932, 7144915, 14289830, 28579660]

約数ペア:

[(1, 28579660), (2, 14289830), (4, 7144915), (5, 5715932), (10, 2857966), (20, 1428983), (271, 105460), (542, 52730), (1084, 26365), (1355, 21092), (2710, 10546), (5273, 5420)]