39559780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2236

約数の個数: 48

約数和(自身を含む): 90768384

約数和(自身を除く): 51208604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 2143, 3692, 4286, 4615, 8572, 9230, 10715, 18460, 21430, 27859, 42860, 55718, 111436, 139295, 152153, 278590, 304306, 557180, 608612, 760765, 1521530, 1977989, 3043060, 3955978, 7911956, 9889945, 19779890, 39559780]

約数ペア:

[(1, 39559780), (2, 19779890), (4, 9889945), (5, 7911956), (10, 3955978), (13, 3043060), (20, 1977989), (26, 1521530), (52, 760765), (65, 608612), (71, 557180), (130, 304306), (142, 278590), (260, 152153), (284, 139295), (355, 111436), (710, 55718), (923, 42860), (1420, 27859), (1846, 21430), (2143, 18460), (3692, 10715), (4286, 9230), (4615, 8572)]