8290040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 20684160

約数和(自身を除く): 12394120

約数列:

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

約数ペア:

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