40027390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307903}}^1$

素因数の和:307923

約数の個数: 16

約数和(自身を含む): 77591808

約数和(自身を除く): 37564418

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 307903, 615806, 1539515, 3079030, 4002739, 8005478, 20013695, 40027390]

約数ペア:

[(1, 40027390), (2, 20013695), (5, 8005478), (10, 4002739), (13, 3079030), (26, 1539515), (65, 615806), (130, 307903)]