13049140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 30481920

約数和(自身を除く): 17432780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 1619, 2015, 3238, 4030, 6476, 8060, 8095, 16190, 21047, 32380, 42094, 50189, 84188, 100378, 105235, 200756, 210470, 250945, 420940, 501890, 652457, 1003780, 1304914, 2609828, 3262285, 6524570, 13049140]

約数ペア:

[(1, 13049140), (2, 6524570), (4, 3262285), (5, 2609828), (10, 1304914), (13, 1003780), (20, 652457), (26, 501890), (31, 420940), (52, 250945), (62, 210470), (65, 200756), (124, 105235), (130, 100378), (155, 84188), (260, 50189), (310, 42094), (403, 32380), (620, 21047), (806, 16190), (1612, 8095), (1619, 8060), (2015, 6476), (3238, 4030)]