28617875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 41985216

約数和(自身を除く): 13367341

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 1375, 1601, 1625, 3575, 8005, 17611, 17875, 20813, 40025, 88055, 104065, 200125, 228943, 440275, 520325, 1144715, 2201375, 2601625, 5723575, 28617875]

約数ペア:

[(1, 28617875), (5, 5723575), (11, 2601625), (13, 2201375), (25, 1144715), (55, 520325), (65, 440275), (125, 228943), (143, 200125), (275, 104065), (325, 88055), (715, 40025), (1375, 20813), (1601, 17875), (1625, 17611), (3575, 8005)]