8213660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4513}}^1$

素因数の和:4542

約数の個数: 48

約数和(自身を含む): 21233856

約数和(自身を除く): 13020196

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4513, 9026, 18052, 22565, 31591, 45130, 58669, 63182, 90260, 117338, 126364, 157955, 234676, 293345, 315910, 410683, 586690, 631820, 821366, 1173380, 1642732, 2053415, 4106830, 8213660]

約数ペア:

[(1, 8213660), (2, 4106830), (4, 2053415), (5, 1642732), (7, 1173380), (10, 821366), (13, 631820), (14, 586690), (20, 410683), (26, 315910), (28, 293345), (35, 234676), (52, 157955), (65, 126364), (70, 117338), (91, 90260), (130, 63182), (140, 58669), (182, 45130), (260, 31591), (364, 22565), (455, 18052), (910, 9026), (1820, 4513)]