25844840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{383}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 66908160

約数和(自身を除く): 41063320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 383, 482, 766, 964, 1205, 1532, 1687, 1915, 1928, 2410, 2681, 3064, 3374, 3830, 4820, 5362, 6748, 7660, 8435, 9640, 10724, 13405, 13496, 15320, 16870, 21448, 26810, 33740, 53620, 67480, 92303, 107240, 184606, 369212, 461515, 646121, 738424, 923030, 1292242, 1846060, 2584484, 3230605, 3692120, 5168968, 6461210, 12922420, 25844840]

約数ペア:

[(1, 25844840), (2, 12922420), (4, 6461210), (5, 5168968), (7, 3692120), (8, 3230605), (10, 2584484), (14, 1846060), (20, 1292242), (28, 923030), (35, 738424), (40, 646121), (56, 461515), (70, 369212), (140, 184606), (241, 107240), (280, 92303), (383, 67480), (482, 53620), (766, 33740), (964, 26810), (1205, 21448), (1532, 16870), (1687, 15320), (1915, 13496), (1928, 13405), (2410, 10724), (2681, 9640), (3064, 8435), (3374, 7660), (3830, 6748), (4820, 5362)]