25780125

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 96

約数和(自身を含む): 52925184

約数和(自身を除く): 27145059

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 49, 61, 69, 75, 105, 115, 125, 147, 161, 175, 183, 245, 305, 345, 375, 427, 483, 525, 575, 735, 805, 875, 915, 1127, 1225, 1281, 1403, 1525, 1725, 2135, 2415, 2625, 2875, 2989, 3381, 3675, 4025, 4209, 4575, 5635, 6125, 6405, 7015, 7625, 8625, 8967, 9821, 10675, 12075, 14945, 16905, 18375, 20125, 21045, 22875, 28175, 29463, 32025, 35075, 44835, 49105, 53375, 60375, 68747, 74725, 84525, 105225, 140875, 147315, 160125, 175375, 206241, 224175, 245525, 343735, 373625, 422625, 526125, 736575, 1031205, 1120875, 1227625, 1718675, 3682875, 5156025, 8593375, 25780125]

約数ペア:

[(1, 25780125), (3, 8593375), (5, 5156025), (7, 3682875), (15, 1718675), (21, 1227625), (23, 1120875), (25, 1031205), (35, 736575), (49, 526125), (61, 422625), (69, 373625), (75, 343735), (105, 245525), (115, 224175), (125, 206241), (147, 175375), (161, 160125), (175, 147315), (183, 140875), (245, 105225), (305, 84525), (345, 74725), (375, 68747), (427, 60375), (483, 53375), (525, 49105), (575, 44835), (735, 35075), (805, 32025), (875, 29463), (915, 28175), (1127, 22875), (1225, 21045), (1281, 20125), (1403, 18375), (1525, 16905), (1725, 14945), (2135, 12075), (2415, 10675), (2625, 9821), (2875, 8967), (2989, 8625), (3381, 7625), (3675, 7015), (4025, 6405), (4209, 6125), (4575, 5635)]