520031720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{12659}}^1$

素因数の和:12762

約数の個数: 64

約数和(自身を含む): 1276128000

約数和(自身を除く): 756096280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 3160, 4108, 5135, 8216, 10270, 12659, 20540, 25318, 41080, 50636, 63295, 101272, 126590, 164567, 253180, 329134, 506360, 658268, 822835, 1000061, 1316536, 1645670, 2000122, 3291340, 4000244, 5000305, 6582680, 8000488, 10000610, 13000793, 20001220, 26001586, 40002440, 52003172, 65003965, 104006344, 130007930, 260015860, 520031720]

約数ペア:

[(1, 520031720), (2, 260015860), (4, 130007930), (5, 104006344), (8, 65003965), (10, 52003172), (13, 40002440), (20, 26001586), (26, 20001220), (40, 13000793), (52, 10000610), (65, 8000488), (79, 6582680), (104, 5000305), (130, 4000244), (158, 3291340), (260, 2000122), (316, 1645670), (395, 1316536), (520, 1000061), (632, 822835), (790, 658268), (1027, 506360), (1580, 329134), (2054, 253180), (3160, 164567), (4108, 126590), (5135, 101272), (8216, 63295), (10270, 50636), (12659, 41080), (20540, 25318)]