12799540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2591}}^1$

素因数の和:2632

約数の個数: 48

約数和(自身を含む): 30481920

約数和(自身を除く): 17682380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 2591, 4940, 5182, 10364, 12955, 25910, 33683, 49229, 51820, 67366, 98458, 134732, 168415, 196916, 246145, 336830, 492290, 639977, 673660, 984580, 1279954, 2559908, 3199885, 6399770, 12799540]

約数ペア:

[(1, 12799540), (2, 6399770), (4, 3199885), (5, 2559908), (10, 1279954), (13, 984580), (19, 673660), (20, 639977), (26, 492290), (38, 336830), (52, 246145), (65, 196916), (76, 168415), (95, 134732), (130, 98458), (190, 67366), (247, 51820), (260, 49229), (380, 33683), (494, 25910), (988, 12955), (1235, 10364), (2470, 5182), (2591, 4940)]