6521840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6271}}^1$

素因数の和:6297

約数の個数: 40

約数和(自身を含む): 16332288

約数和(自身を除く): 9810448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 6271, 12542, 25084, 31355, 50168, 62710, 81523, 100336, 125420, 163046, 250840, 326092, 407615, 501680, 652184, 815230, 1304368, 1630460, 3260920, 6521840]

約数ペア:

[(1, 6521840), (2, 3260920), (4, 1630460), (5, 1304368), (8, 815230), (10, 652184), (13, 501680), (16, 407615), (20, 326092), (26, 250840), (40, 163046), (52, 125420), (65, 100336), (80, 81523), (104, 62710), (130, 50168), (208, 31355), (260, 25084), (520, 12542), (1040, 6271)]