22380280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 54754560

約数和(自身を除く): 32374280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 193, 223, 260, 386, 446, 520, 772, 892, 965, 1115, 1544, 1784, 1930, 2230, 2509, 2899, 3860, 4460, 5018, 5798, 7720, 8920, 10036, 11596, 12545, 14495, 20072, 23192, 25090, 28990, 43039, 50180, 57980, 86078, 100360, 115960, 172156, 215195, 344312, 430390, 559507, 860780, 1119014, 1721560, 2238028, 2797535, 4476056, 5595070, 11190140, 22380280]

約数ペア:

[(1, 22380280), (2, 11190140), (4, 5595070), (5, 4476056), (8, 2797535), (10, 2238028), (13, 1721560), (20, 1119014), (26, 860780), (40, 559507), (52, 430390), (65, 344312), (104, 215195), (130, 172156), (193, 115960), (223, 100360), (260, 86078), (386, 57980), (446, 50180), (520, 43039), (772, 28990), (892, 25090), (965, 23192), (1115, 20072), (1544, 14495), (1784, 12545), (1930, 11596), (2230, 10036), (2509, 8920), (2899, 7720), (3860, 5798), (4460, 5018)]