4145020

素因数分解:

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

素因数の和:330

約数の個数: 48

約数和(自身を含む): 9652608

約数和(自身を除く): 5507588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 227, 332, 415, 454, 830, 908, 913, 1135, 1660, 1826, 2270, 2497, 3652, 4540, 4565, 4994, 9130, 9988, 12485, 18260, 18841, 24970, 37682, 49940, 75364, 94205, 188410, 207251, 376820, 414502, 829004, 1036255, 2072510, 4145020]

約数ペア:

[(1, 4145020), (2, 2072510), (4, 1036255), (5, 829004), (10, 414502), (11, 376820), (20, 207251), (22, 188410), (44, 94205), (55, 75364), (83, 49940), (110, 37682), (166, 24970), (220, 18841), (227, 18260), (332, 12485), (415, 9988), (454, 9130), (830, 4994), (908, 4565), (913, 4540), (1135, 3652), (1660, 2497), (1826, 2270)]