1293072040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2486677}}^1$

素因数の和:2486701

約数の個数: 32

約数和(自身を含む): 3133214280

約数和(自身を除く): 1840142240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2486677, 4973354, 9946708, 12433385, 19893416, 24866770, 32326801, 49733540, 64653602, 99467080, 129307204, 161634005, 258614408, 323268010, 646536020, 1293072040]

約数ペア:

[(1, 1293072040), (2, 646536020), (4, 323268010), (5, 258614408), (8, 161634005), (10, 129307204), (13, 99467080), (20, 64653602), (26, 49733540), (40, 32326801), (52, 24866770), (65, 19893416), (104, 12433385), (130, 9946708), (260, 4973354), (520, 2486677)]