8355440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 21427200

約数和(自身を除く): 13071760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 239, 304, 368, 380, 437, 460, 478, 760, 874, 920, 956, 1195, 1520, 1748, 1840, 1912, 2185, 2390, 3496, 3824, 4370, 4541, 4780, 5497, 6992, 8740, 9082, 9560, 10994, 17480, 18164, 19120, 21988, 22705, 27485, 34960, 36328, 43976, 45410, 54970, 72656, 87952, 90820, 104443, 109940, 181640, 208886, 219880, 363280, 417772, 439760, 522215, 835544, 1044430, 1671088, 2088860, 4177720, 8355440]

約数ペア:

[(1, 8355440), (2, 4177720), (4, 2088860), (5, 1671088), (8, 1044430), (10, 835544), (16, 522215), (19, 439760), (20, 417772), (23, 363280), (38, 219880), (40, 208886), (46, 181640), (76, 109940), (80, 104443), (92, 90820), (95, 87952), (115, 72656), (152, 54970), (184, 45410), (190, 43976), (230, 36328), (239, 34960), (304, 27485), (368, 22705), (380, 21988), (437, 19120), (460, 18164), (478, 17480), (760, 10994), (874, 9560), (920, 9082), (956, 8740), (1195, 6992), (1520, 5497), (1748, 4780), (1840, 4541), (1912, 4370), (2185, 3824), (2390, 3496)]