31183360

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:973

約数の個数: 80

約数和(自身を含む): 80604216

約数和(自身を除く): 49420856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 937, 1040, 1280, 1664, 1874, 2080, 2560, 3328, 3748, 4160, 4685, 6656, 7496, 8320, 9370, 12181, 14992, 16640, 18740, 24362, 29984, 33280, 37480, 48724, 59968, 60905, 74960, 97448, 119936, 121810, 149920, 194896, 239872, 243620, 299840, 389792, 479744, 487240, 599680, 779584, 974480, 1199360, 1559168, 1948960, 2398720, 3118336, 3897920, 6236672, 7795840, 15591680, 31183360]

約数ペア:

[(1, 31183360), (2, 15591680), (4, 7795840), (5, 6236672), (8, 3897920), (10, 3118336), (13, 2398720), (16, 1948960), (20, 1559168), (26, 1199360), (32, 974480), (40, 779584), (52, 599680), (64, 487240), (65, 479744), (80, 389792), (104, 299840), (128, 243620), (130, 239872), (160, 194896), (208, 149920), (256, 121810), (260, 119936), (320, 97448), (416, 74960), (512, 60905), (520, 59968), (640, 48724), (832, 37480), (937, 33280), (1040, 29984), (1280, 24362), (1664, 18740), (1874, 16640), (2080, 14992), (2560, 12181), (3328, 9370), (3748, 8320), (4160, 7496), (4685, 6656)]