4142875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 32

約数和(自身を含む): 5930496

約数和(自身を除く): 1787621

約数列:

[1, 5, 11, 23, 25, 55, 115, 125, 131, 253, 275, 575, 655, 1265, 1375, 1441, 2875, 3013, 3275, 6325, 7205, 15065, 16375, 31625, 33143, 36025, 75325, 165715, 180125, 376625, 828575, 4142875]

約数ペア:

[(1, 4142875), (5, 828575), (11, 376625), (23, 180125), (25, 165715), (55, 75325), (115, 36025), (125, 33143), (131, 31625), (253, 16375), (275, 15065), (575, 7205), (655, 6325), (1265, 3275), (1375, 3013), (1441, 2875)]