87773680

素因数分解:

$2^4\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1123}}^1$

素因数の和:2113

約数の個数: 40

約数和(自身を含む): 204464592

約数和(自身を除く): 116690912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 977, 1123, 1954, 2246, 3908, 4492, 4885, 5615, 7816, 8984, 9770, 11230, 15632, 17968, 19540, 22460, 39080, 44920, 78160, 89840, 1097171, 2194342, 4388684, 5485855, 8777368, 10971710, 17554736, 21943420, 43886840, 87773680]

約数ペア:

[(1, 87773680), (2, 43886840), (4, 21943420), (5, 17554736), (8, 10971710), (10, 8777368), (16, 5485855), (20, 4388684), (40, 2194342), (80, 1097171), (977, 89840), (1123, 78160), (1954, 44920), (2246, 39080), (3908, 22460), (4492, 19540), (4885, 17968), (5615, 15632), (7816, 11230), (8984, 9770)]