12543125

素因数分解:

$5^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 40

約数和(自身を含む): 18594048

約数和(自身を除く): 6050923

約数列:

[1, 5, 7, 25, 35, 47, 61, 125, 175, 235, 305, 329, 427, 625, 875, 1175, 1525, 1645, 2135, 2867, 4375, 5875, 7625, 8225, 10675, 14335, 20069, 29375, 38125, 41125, 53375, 71675, 100345, 205625, 266875, 358375, 501725, 1791875, 2508625, 12543125]

約数ペア:

[(1, 12543125), (5, 2508625), (7, 1791875), (25, 501725), (35, 358375), (47, 266875), (61, 205625), (125, 100345), (175, 71675), (235, 53375), (305, 41125), (329, 38125), (427, 29375), (625, 20069), (875, 14335), (1175, 10675), (1525, 8225), (1645, 7625), (2135, 5875), (2867, 4375)]