145804520

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{4397}}^1$

素因数の和:5237

約数の個数: 32

約数和(自身を含む): 328530600

約数和(自身を除く): 182726080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1658, 3316, 4145, 4397, 6632, 8290, 8794, 16580, 17588, 21985, 33160, 35176, 43970, 87940, 175880, 3645113, 7290226, 14580452, 18225565, 29160904, 36451130, 72902260, 145804520]

約数ペア:

[(1, 145804520), (2, 72902260), (4, 36451130), (5, 29160904), (8, 18225565), (10, 14580452), (20, 7290226), (40, 3645113), (829, 175880), (1658, 87940), (3316, 43970), (4145, 35176), (4397, 33160), (6632, 21985), (8290, 17588), (8794, 16580)]