1943206340

素因数分解:

$2^2\times 5^1\times {\mathrm{4421}}^1\times {\mathrm{21977}}^1$

素因数の和:26407

約数の個数: 24

約数和(自身を含む): 4081842072

約数和(自身を除く): 2138635732

約数列:

[1, 2, 4, 5, 10, 20, 4421, 8842, 17684, 21977, 22105, 43954, 44210, 87908, 88420, 109885, 219770, 439540, 97160317, 194320634, 388641268, 485801585, 971603170, 1943206340]

約数ペア:

[(1, 1943206340), (2, 971603170), (4, 485801585), (5, 388641268), (10, 194320634), (20, 97160317), (4421, 439540), (8842, 219770), (17684, 109885), (21977, 88420), (22105, 87908), (43954, 44210)]