25318160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1559}}^1$

素因数の和:1608

約数の個数: 80

約数和(自身を含む): 69638400

約数和(自身を除く): 44320240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1559, 1624, 2030, 2320, 3118, 3248, 4060, 6236, 7795, 8120, 10913, 12472, 15590, 16240, 21826, 24944, 31180, 43652, 45211, 54565, 62360, 87304, 90422, 109130, 124720, 174608, 180844, 218260, 226055, 316477, 361688, 436520, 452110, 632954, 723376, 873040, 904220, 1265908, 1582385, 1808440, 2531816, 3164770, 3616880, 5063632, 6329540, 12659080, 25318160]

約数ペア:

[(1, 25318160), (2, 12659080), (4, 6329540), (5, 5063632), (7, 3616880), (8, 3164770), (10, 2531816), (14, 1808440), (16, 1582385), (20, 1265908), (28, 904220), (29, 873040), (35, 723376), (40, 632954), (56, 452110), (58, 436520), (70, 361688), (80, 316477), (112, 226055), (116, 218260), (140, 180844), (145, 174608), (203, 124720), (232, 109130), (280, 90422), (290, 87304), (406, 62360), (464, 54565), (560, 45211), (580, 43652), (812, 31180), (1015, 24944), (1160, 21826), (1559, 16240), (1624, 15590), (2030, 12472), (2320, 10913), (3118, 8120), (3248, 7795), (4060, 6236)]