25031320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15263}}^1$

素因数の和:15315

約数の個数: 32

約数和(自身を含む): 57697920

約数和(自身を除く): 32666600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 15263, 30526, 61052, 76315, 122104, 152630, 305260, 610520, 625783, 1251566, 2503132, 3128915, 5006264, 6257830, 12515660, 25031320]

約数ペア:

[(1, 25031320), (2, 12515660), (4, 6257830), (5, 5006264), (8, 3128915), (10, 2503132), (20, 1251566), (40, 625783), (41, 610520), (82, 305260), (164, 152630), (205, 122104), (328, 76315), (410, 61052), (820, 30526), (1640, 15263)]