80510180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{503}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 173746944

約数和(自身を除く): 93236764

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 151, 212, 265, 302, 503, 530, 604, 755, 1006, 1060, 1510, 2012, 2515, 3020, 5030, 8003, 10060, 16006, 26659, 32012, 40015, 53318, 75953, 80030, 106636, 133295, 151906, 160060, 266590, 303812, 379765, 533180, 759530, 1519060, 4025509, 8051018, 16102036, 20127545, 40255090, 80510180]

約数ペア:

[(1, 80510180), (2, 40255090), (4, 20127545), (5, 16102036), (10, 8051018), (20, 4025509), (53, 1519060), (106, 759530), (151, 533180), (212, 379765), (265, 303812), (302, 266590), (503, 160060), (530, 151906), (604, 133295), (755, 106636), (1006, 80030), (1060, 75953), (1510, 53318), (2012, 40015), (2515, 32012), (3020, 26659), (5030, 16006), (8003, 10060)]