16580080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 42747264

約数和(自身を除く): 26167184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 83, 88, 110, 166, 176, 220, 227, 332, 415, 440, 454, 664, 830, 880, 908, 913, 1135, 1328, 1660, 1816, 1826, 2270, 2497, 3320, 3632, 3652, 4540, 4565, 4994, 6640, 7304, 9080, 9130, 9988, 12485, 14608, 18160, 18260, 18841, 19976, 24970, 36520, 37682, 39952, 49940, 73040, 75364, 94205, 99880, 150728, 188410, 199760, 207251, 301456, 376820, 414502, 753640, 829004, 1036255, 1507280, 1658008, 2072510, 3316016, 4145020, 8290040, 16580080]

約数ペア:

[(1, 16580080), (2, 8290040), (4, 4145020), (5, 3316016), (8, 2072510), (10, 1658008), (11, 1507280), (16, 1036255), (20, 829004), (22, 753640), (40, 414502), (44, 376820), (55, 301456), (80, 207251), (83, 199760), (88, 188410), (110, 150728), (166, 99880), (176, 94205), (220, 75364), (227, 73040), (332, 49940), (415, 39952), (440, 37682), (454, 36520), (664, 24970), (830, 19976), (880, 18841), (908, 18260), (913, 18160), (1135, 14608), (1328, 12485), (1660, 9988), (1816, 9130), (1826, 9080), (2270, 7304), (2497, 6640), (3320, 4994), (3632, 4565), (3652, 4540)]