83889380

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 179647104

約数和(自身を除く): 95757724

約数列:

[1, 2, 4, 5, 10, 20, 103, 193, 206, 211, 386, 412, 422, 515, 772, 844, 965, 1030, 1055, 1930, 2060, 2110, 3860, 4220, 19879, 21733, 39758, 40723, 43466, 79516, 81446, 86932, 99395, 108665, 162892, 198790, 203615, 217330, 397580, 407230, 434660, 814460, 4194469, 8388938, 16777876, 20972345, 41944690, 83889380]

約数ペア:

[(1, 83889380), (2, 41944690), (4, 20972345), (5, 16777876), (10, 8388938), (20, 4194469), (103, 814460), (193, 434660), (206, 407230), (211, 397580), (386, 217330), (412, 203615), (422, 198790), (515, 162892), (772, 108665), (844, 99395), (965, 86932), (1030, 81446), (1055, 79516), (1930, 43466), (2060, 40723), (2110, 39758), (3860, 21733), (4220, 19879)]