43937140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{487}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 99856512

約数和(自身を除く): 55919372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 347, 487, 694, 974, 1388, 1735, 1948, 2435, 3470, 4511, 4870, 6331, 6940, 9022, 9740, 12662, 18044, 22555, 25324, 31655, 45110, 63310, 90220, 126620, 168989, 337978, 675956, 844945, 1689890, 2196857, 3379780, 4393714, 8787428, 10984285, 21968570, 43937140]

約数ペア:

[(1, 43937140), (2, 21968570), (4, 10984285), (5, 8787428), (10, 4393714), (13, 3379780), (20, 2196857), (26, 1689890), (52, 844945), (65, 675956), (130, 337978), (260, 168989), (347, 126620), (487, 90220), (694, 63310), (974, 45110), (1388, 31655), (1735, 25324), (1948, 22555), (2435, 18044), (3470, 12662), (4511, 9740), (4870, 9022), (6331, 6940)]