25856040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{30781}}^1$

素因数の和:30802

約数の個数: 64

約数和(自身を含む): 88652160

約数和(自身を除く): 62796120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 30781, 61562, 92343, 123124, 153905, 184686, 215467, 246248, 307810, 369372, 430934, 461715, 615620, 646401, 738744, 861868, 923430, 1077335, 1231240, 1292802, 1723736, 1846860, 2154670, 2585604, 3232005, 3693720, 4309340, 5171208, 6464010, 8618680, 12928020, 25856040]

約数ペア:

[(1, 25856040), (2, 12928020), (3, 8618680), (4, 6464010), (5, 5171208), (6, 4309340), (7, 3693720), (8, 3232005), (10, 2585604), (12, 2154670), (14, 1846860), (15, 1723736), (20, 1292802), (21, 1231240), (24, 1077335), (28, 923430), (30, 861868), (35, 738744), (40, 646401), (42, 615620), (56, 461715), (60, 430934), (70, 369372), (84, 307810), (105, 246248), (120, 215467), (140, 184686), (168, 153905), (210, 123124), (280, 92343), (420, 61562), (840, 30781)]