17976040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 42230160

約数和(自身を除く): 24254120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 97, 113, 164, 194, 205, 226, 328, 388, 410, 452, 485, 565, 776, 820, 904, 970, 1130, 1640, 1940, 2260, 3880, 3977, 4520, 4633, 7954, 9266, 10961, 15908, 18532, 19885, 21922, 23165, 31816, 37064, 39770, 43844, 46330, 54805, 79540, 87688, 92660, 109610, 159080, 185320, 219220, 438440, 449401, 898802, 1797604, 2247005, 3595208, 4494010, 8988020, 17976040]

約数ペア:

[(1, 17976040), (2, 8988020), (4, 4494010), (5, 3595208), (8, 2247005), (10, 1797604), (20, 898802), (40, 449401), (41, 438440), (82, 219220), (97, 185320), (113, 159080), (164, 109610), (194, 92660), (205, 87688), (226, 79540), (328, 54805), (388, 46330), (410, 43844), (452, 39770), (485, 37064), (565, 31816), (776, 23165), (820, 21922), (904, 19885), (970, 18532), (1130, 15908), (1640, 10961), (1940, 9266), (2260, 7954), (3880, 4633), (3977, 4520)]