15760040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 37013760

約数和(自身を除く): 21253720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 83, 94, 101, 166, 188, 202, 235, 332, 376, 404, 415, 470, 505, 664, 808, 830, 940, 1010, 1660, 1880, 2020, 3320, 3901, 4040, 4747, 7802, 8383, 9494, 15604, 16766, 18988, 19505, 23735, 31208, 33532, 37976, 39010, 41915, 47470, 67064, 78020, 83830, 94940, 156040, 167660, 189880, 335320, 394001, 788002, 1576004, 1970005, 3152008, 3940010, 7880020, 15760040]

約数ペア:

[(1, 15760040), (2, 7880020), (4, 3940010), (5, 3152008), (8, 1970005), (10, 1576004), (20, 788002), (40, 394001), (47, 335320), (83, 189880), (94, 167660), (101, 156040), (166, 94940), (188, 83830), (202, 78020), (235, 67064), (332, 47470), (376, 41915), (404, 39010), (415, 37976), (470, 33532), (505, 31208), (664, 23735), (808, 19505), (830, 18988), (940, 16766), (1010, 15604), (1660, 9494), (1880, 8383), (2020, 7802), (3320, 4747), (3901, 4040)]