1578889780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{23629}}^1$

素因数の和:23908

約数の個数: 48

約数和(自身を含む): 3584765520

約数和(自身を除く): 2005875740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1028, 1285, 2570, 3341, 5140, 6682, 13364, 16705, 23629, 33410, 47258, 66820, 94516, 118145, 236290, 307177, 472580, 614354, 1228708, 1535885, 3071770, 6072653, 6143540, 12145306, 24290612, 30363265, 60726530, 78944489, 121453060, 157888978, 315777956, 394722445, 789444890, 1578889780]

約数ペア:

[(1, 1578889780), (2, 789444890), (4, 394722445), (5, 315777956), (10, 157888978), (13, 121453060), (20, 78944489), (26, 60726530), (52, 30363265), (65, 24290612), (130, 12145306), (257, 6143540), (260, 6072653), (514, 3071770), (1028, 1535885), (1285, 1228708), (2570, 614354), (3341, 472580), (5140, 307177), (6682, 236290), (13364, 118145), (16705, 94516), (23629, 66820), (33410, 47258)]