39764375

素因数分解:

$5^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 40

約数和(自身を含む): 58106400

約数和(自身を除く): 18342025

約数列:

[1, 5, 7, 25, 35, 61, 125, 149, 175, 305, 427, 625, 745, 875, 1043, 1525, 2135, 3725, 4375, 5215, 7625, 9089, 10675, 18625, 26075, 38125, 45445, 53375, 63623, 93125, 130375, 227225, 266875, 318115, 651875, 1136125, 1590575, 5680625, 7952875, 39764375]

約数ペア:

[(1, 39764375), (5, 7952875), (7, 5680625), (25, 1590575), (35, 1136125), (61, 651875), (125, 318115), (149, 266875), (175, 227225), (305, 130375), (427, 93125), (625, 63623), (745, 53375), (875, 45445), (1043, 38125), (1525, 26075), (2135, 18625), (3725, 10675), (4375, 9089), (5215, 7625)]