9875840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1187}}^1$

素因数の和:1219

約数の個数: 64

約数和(自身を含む): 25446960

約数和(自身を除く): 15571120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1187, 1664, 2080, 2374, 4160, 4748, 5935, 8320, 9496, 11870, 15431, 18992, 23740, 30862, 37984, 47480, 61724, 75968, 77155, 94960, 123448, 151936, 154310, 189920, 246896, 308620, 379840, 493792, 617240, 759680, 987584, 1234480, 1975168, 2468960, 4937920, 9875840]

約数ペア:

[(1, 9875840), (2, 4937920), (4, 2468960), (5, 1975168), (8, 1234480), (10, 987584), (13, 759680), (16, 617240), (20, 493792), (26, 379840), (32, 308620), (40, 246896), (52, 189920), (64, 154310), (65, 151936), (80, 123448), (104, 94960), (128, 77155), (130, 75968), (160, 61724), (208, 47480), (260, 37984), (320, 30862), (416, 23740), (520, 18992), (640, 15431), (832, 11870), (1040, 9496), (1187, 8320), (1664, 5935), (2080, 4748), (2374, 4160)]