4901840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:947

約数の個数: 40

約数和(自身を含む): 11570688

約数和(自身を除く): 6668848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 863, 1136, 1420, 1726, 2840, 3452, 4315, 5680, 6904, 8630, 13808, 17260, 34520, 61273, 69040, 122546, 245092, 306365, 490184, 612730, 980368, 1225460, 2450920, 4901840]

約数ペア:

[(1, 4901840), (2, 2450920), (4, 1225460), (5, 980368), (8, 612730), (10, 490184), (16, 306365), (20, 245092), (40, 122546), (71, 69040), (80, 61273), (142, 34520), (284, 17260), (355, 13808), (568, 8630), (710, 6904), (863, 5680), (1136, 4315), (1420, 3452), (1726, 2840)]