79606880

素因数分解:

$2^5\times 5^1\times {\mathrm{647}}^1\times {\mathrm{769}}^1$

素因数の和:1431

約数の個数: 48

約数和(自身を含む): 188606880

約数和(自身を除く): 109000000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 647, 769, 1294, 1538, 2588, 3076, 3235, 3845, 5176, 6152, 6470, 7690, 10352, 12304, 12940, 15380, 20704, 24608, 25880, 30760, 51760, 61520, 103520, 123040, 497543, 995086, 1990172, 2487715, 3980344, 4975430, 7960688, 9950860, 15921376, 19901720, 39803440, 79606880]

約数ペア:

[(1, 79606880), (2, 39803440), (4, 19901720), (5, 15921376), (8, 9950860), (10, 7960688), (16, 4975430), (20, 3980344), (32, 2487715), (40, 1990172), (80, 995086), (160, 497543), (647, 123040), (769, 103520), (1294, 61520), (1538, 51760), (2588, 30760), (3076, 25880), (3235, 24608), (3845, 20704), (5176, 15380), (6152, 12940), (6470, 12304), (7690, 10352)]