55745870

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 102168000

約数和(自身を除く): 46422130

約数列:

[1, 2, 5, 10, 109, 199, 218, 257, 398, 514, 545, 995, 1090, 1285, 1990, 2570, 21691, 28013, 43382, 51143, 56026, 102286, 108455, 140065, 216910, 255715, 280130, 511430, 5574587, 11149174, 27872935, 55745870]

約数ペア:

[(1, 55745870), (2, 27872935), (5, 11149174), (10, 5574587), (109, 511430), (199, 280130), (218, 255715), (257, 216910), (398, 140065), (514, 108455), (545, 102286), (995, 56026), (1090, 51143), (1285, 43382), (1990, 28013), (2570, 21691)]