80275870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{2897}}^1$

素因数の和:3084

約数の個数: 32

約数和(自身を含む): 153988128

約数和(自身を除く): 73712258

約数列:

[1, 2, 5, 10, 17, 34, 85, 163, 170, 326, 815, 1630, 2771, 2897, 5542, 5794, 13855, 14485, 27710, 28970, 49249, 98498, 246245, 472211, 492490, 944422, 2361055, 4722110, 8027587, 16055174, 40137935, 80275870]

約数ペア:

[(1, 80275870), (2, 40137935), (5, 16055174), (10, 8027587), (17, 4722110), (34, 2361055), (85, 944422), (163, 492490), (170, 472211), (326, 246245), (815, 98498), (1630, 49249), (2771, 28970), (2897, 27710), (5542, 14485), (5794, 13855)]