80729708

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{1511}}^1$

素因数の和:1590

約数の個数: 36

約数和(自身を含む): 153235152

約数和(自身を除く): 72505444

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 361, 703, 722, 1406, 1444, 1511, 2812, 3022, 6044, 13357, 26714, 28709, 53428, 55907, 57418, 111814, 114836, 223628, 545471, 1062233, 1090942, 2124466, 2181884, 4248932, 20182427, 40364854, 80729708]

約数ペア:

[(1, 80729708), (2, 40364854), (4, 20182427), (19, 4248932), (37, 2181884), (38, 2124466), (74, 1090942), (76, 1062233), (148, 545471), (361, 223628), (703, 114836), (722, 111814), (1406, 57418), (1444, 55907), (1511, 53428), (2812, 28709), (3022, 26714), (6044, 13357)]