78317720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{150611}}^1$

素因数の和:150635

約数の個数: 32

約数和(自身を含む): 189771120

約数和(自身を除く): 111453400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 150611, 301222, 602444, 753055, 1204888, 1506110, 1957943, 3012220, 3915886, 6024440, 7831772, 9789715, 15663544, 19579430, 39158860, 78317720]

約数ペア:

[(1, 78317720), (2, 39158860), (4, 19579430), (5, 15663544), (8, 9789715), (10, 7831772), (13, 6024440), (20, 3915886), (26, 3012220), (40, 1957943), (52, 1506110), (65, 1204888), (104, 753055), (130, 602444), (260, 301222), (520, 150611)]