31838820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40819}}^1$

素因数の和:40844

約数の個数: 48

約数和(自身を含む): 96008640

約数和(自身を除く): 64169820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40819, 81638, 122457, 163276, 204095, 244914, 408190, 489828, 530647, 612285, 816380, 1061294, 1224570, 1591941, 2122588, 2449140, 2653235, 3183882, 5306470, 6367764, 7959705, 10612940, 15919410, 31838820]

約数ペア:

[(1, 31838820), (2, 15919410), (3, 10612940), (4, 7959705), (5, 6367764), (6, 5306470), (10, 3183882), (12, 2653235), (13, 2449140), (15, 2122588), (20, 1591941), (26, 1224570), (30, 1061294), (39, 816380), (52, 612285), (60, 530647), (65, 489828), (78, 408190), (130, 244914), (156, 204095), (195, 163276), (260, 122457), (390, 81638), (780, 40819)]