5262640

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:589

約数の個数: 40

約数和(自身を含む): 12342960

約数和(自身を除く): 7080320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 419, 628, 785, 838, 1256, 1570, 1676, 2095, 2512, 3140, 3352, 4190, 6280, 6704, 8380, 12560, 16760, 33520, 65783, 131566, 263132, 328915, 526264, 657830, 1052528, 1315660, 2631320, 5262640]

約数ペア:

[(1, 5262640), (2, 2631320), (4, 1315660), (5, 1052528), (8, 657830), (10, 526264), (16, 328915), (20, 263132), (40, 131566), (80, 65783), (157, 33520), (314, 16760), (419, 12560), (628, 8380), (785, 6704), (838, 6280), (1256, 4190), (1570, 3352), (1676, 3140), (2095, 2512)]