89238640

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{16649}}^1$

素因数の和:16729

約数の個数: 40

約数和(自身を含む): 210589200

約数和(自身を除く): 121350560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 16649, 33298, 66596, 83245, 133192, 166490, 266384, 332980, 665960, 1115483, 1331920, 2230966, 4461932, 5577415, 8923864, 11154830, 17847728, 22309660, 44619320, 89238640]

約数ペア:

[(1, 89238640), (2, 44619320), (4, 22309660), (5, 17847728), (8, 11154830), (10, 8923864), (16, 5577415), (20, 4461932), (40, 2230966), (67, 1331920), (80, 1115483), (134, 665960), (268, 332980), (335, 266384), (536, 166490), (670, 133192), (1072, 83245), (1340, 66596), (2680, 33298), (5360, 16649)]