90059780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109829}}^1$

素因数の和:109879

約数の個数: 24

約数和(自身を含む): 193740120

約数和(自身を除く): 103680340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 109829, 219658, 439316, 549145, 1098290, 2196580, 4502989, 9005978, 18011956, 22514945, 45029890, 90059780]

約数ペア:

[(1, 90059780), (2, 45029890), (4, 22514945), (5, 18011956), (10, 9005978), (20, 4502989), (41, 2196580), (82, 1098290), (164, 549145), (205, 439316), (410, 219658), (820, 109829)]