80385490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2633}}^1$

素因数の和:2754

約数の個数: 32

約数和(自身を含む): 150201216

約数和(自身を除く): 69815726

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 710, 2633, 3053, 5266, 6106, 13165, 15265, 26330, 30530, 113219, 186943, 226438, 373886, 566095, 934715, 1132190, 1869430, 8038549, 16077098, 40192745, 80385490]

約数ペア:

[(1, 80385490), (2, 40192745), (5, 16077098), (10, 8038549), (43, 1869430), (71, 1132190), (86, 934715), (142, 566095), (215, 373886), (355, 226438), (430, 186943), (710, 113219), (2633, 30530), (3053, 26330), (5266, 15265), (6106, 13165)]