42153125

素因数分解:

$5^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 62995968

約数和(自身を除く): 20842843

約数列:

[1, 5, 7, 25, 35, 41, 47, 125, 175, 205, 235, 287, 329, 625, 875, 1025, 1175, 1435, 1645, 1927, 3125, 4375, 5125, 5875, 7175, 8225, 9635, 13489, 21875, 25625, 29375, 35875, 41125, 48175, 67445, 128125, 146875, 179375, 205625, 240875, 337225, 896875, 1028125, 1204375, 1686125, 6021875, 8430625, 42153125]

約数ペア:

[(1, 42153125), (5, 8430625), (7, 6021875), (25, 1686125), (35, 1204375), (41, 1028125), (47, 896875), (125, 337225), (175, 240875), (205, 205625), (235, 179375), (287, 146875), (329, 128125), (625, 67445), (875, 48175), (1025, 41125), (1175, 35875), (1435, 29375), (1645, 25625), (1927, 21875), (3125, 13489), (4375, 9635), (5125, 8225), (5875, 7175)]