822380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3163}}^1$

素因数の和:3185

約数の個数: 24

約数和(自身を含む): 1860432

約数和(自身を除く): 1038052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3163, 6326, 12652, 15815, 31630, 41119, 63260, 82238, 164476, 205595, 411190, 822380]

約数ペア:

[(1, 822380), (2, 411190), (4, 205595), (5, 164476), (10, 82238), (13, 63260), (20, 41119), (26, 31630), (52, 15815), (65, 12652), (130, 6326), (260, 3163)]