85364455780

素因数分解:

$2^2\times 5^1\times {\mathrm{4001}}^1\times {\mathrm{1066789}}^1$

素因数の和:1070799

約数の個数: 24

約数和(自身を含む): 179310330360

約数和(自身を除く): 93945874580

約数列:

[1, 2, 4, 5, 10, 20, 4001, 8002, 16004, 20005, 40010, 80020, 1066789, 2133578, 4267156, 5333945, 10667890, 21335780, 4268222789, 8536445578, 17072891156, 21341113945, 42682227890, 85364455780]

約数ペア:

[(1, 85364455780), (2, 42682227890), (4, 21341113945), (5, 17072891156), (10, 8536445578), (20, 4268222789), (4001, 21335780), (8002, 10667890), (16004, 5333945), (20005, 4267156), (40010, 2133578), (80020, 1066789)]