164549680

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4909}}^1$

素因数の和:5341

約数の個数: 40

約数和(自身を含む): 383569200

約数和(自身を除く): 219019520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1676, 2095, 3352, 4190, 4909, 6704, 8380, 9818, 16760, 19636, 24545, 33520, 39272, 49090, 78544, 98180, 196360, 392720, 2056871, 4113742, 8227484, 10284355, 16454968, 20568710, 32909936, 41137420, 82274840, 164549680]

約数ペア:

[(1, 164549680), (2, 82274840), (4, 41137420), (5, 32909936), (8, 20568710), (10, 16454968), (16, 10284355), (20, 8227484), (40, 4113742), (80, 2056871), (419, 392720), (838, 196360), (1676, 98180), (2095, 78544), (3352, 49090), (4190, 39272), (4909, 33520), (6704, 24545), (8380, 19636), (9818, 16760)]