18056240

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2857}}^1$

素因数の和:2949

約数の個数: 40

約数和(自身を含む): 42527040

約数和(自身を除く): 24470800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2857, 3160, 5714, 6320, 11428, 14285, 22856, 28570, 45712, 57140, 114280, 225703, 228560, 451406, 902812, 1128515, 1805624, 2257030, 3611248, 4514060, 9028120, 18056240]

約数ペア:

[(1, 18056240), (2, 9028120), (4, 4514060), (5, 3611248), (8, 2257030), (10, 1805624), (16, 1128515), (20, 902812), (40, 451406), (79, 228560), (80, 225703), (158, 114280), (316, 57140), (395, 45712), (632, 28570), (790, 22856), (1264, 14285), (1580, 11428), (2857, 6320), (3160, 5714)]