80178072

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{256981}}^1$

素因数の和:257003

約数の個数: 32

約数和(自身を含む): 215864880

約数和(自身を除く): 135686808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 256981, 513962, 770943, 1027924, 1541886, 2055848, 3083772, 3340753, 6167544, 6681506, 10022259, 13363012, 20044518, 26726024, 40089036, 80178072]

約数ペア:

[(1, 80178072), (2, 40089036), (3, 26726024), (4, 20044518), (6, 13363012), (8, 10022259), (12, 6681506), (13, 6167544), (24, 3340753), (26, 3083772), (39, 2055848), (52, 1541886), (78, 1027924), (104, 770943), (156, 513962), (312, 256981)]