80794480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77687}}^1$

素因数の和:77713

約数の個数: 40

約数和(自身を含む): 202299552

約数和(自身を除く): 121505072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 77687, 155374, 310748, 388435, 621496, 776870, 1009931, 1242992, 1553740, 2019862, 3107480, 4039724, 5049655, 6214960, 8079448, 10099310, 16158896, 20198620, 40397240, 80794480]

約数ペア:

[(1, 80794480), (2, 40397240), (4, 20198620), (5, 16158896), (8, 10099310), (10, 8079448), (13, 6214960), (16, 5049655), (20, 4039724), (26, 3107480), (40, 2019862), (52, 1553740), (65, 1242992), (80, 1009931), (104, 776870), (130, 621496), (208, 388435), (260, 310748), (520, 155374), (1040, 77687)]