80410090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{4363}}^1$

素因数の和:4486

約数の個数: 32

約数和(自身を含む): 153961920

約数和(自身を除く): 73551830

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 970, 1843, 3686, 4363, 8726, 9215, 18430, 21815, 43630, 82897, 165794, 414485, 423211, 828970, 846422, 2116055, 4232110, 8041009, 16082018, 40205045, 80410090]

約数ペア:

[(1, 80410090), (2, 40205045), (5, 16082018), (10, 8041009), (19, 4232110), (38, 2116055), (95, 846422), (97, 828970), (190, 423211), (194, 414485), (485, 165794), (970, 82897), (1843, 43630), (3686, 21815), (4363, 18430), (8726, 9215)]