523120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 1312416

約数和(自身を除く): 789296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 503, 520, 1006, 1040, 2012, 2515, 4024, 5030, 6539, 8048, 10060, 13078, 20120, 26156, 32695, 40240, 52312, 65390, 104624, 130780, 261560, 523120]

約数ペア:

[(1, 523120), (2, 261560), (4, 130780), (5, 104624), (8, 65390), (10, 52312), (13, 40240), (16, 32695), (20, 26156), (26, 20120), (40, 13078), (52, 10060), (65, 8048), (80, 6539), (104, 5030), (130, 4024), (208, 2515), (260, 2012), (503, 1040), (520, 1006)]