22565560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 53078400

約数和(自身を除く): 30512840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 193, 296, 316, 370, 386, 395, 632, 740, 772, 790, 965, 1480, 1544, 1580, 1930, 2923, 3160, 3860, 5846, 7141, 7720, 11692, 14282, 14615, 15247, 23384, 28564, 29230, 30494, 35705, 57128, 58460, 60988, 71410, 76235, 116920, 121976, 142820, 152470, 285640, 304940, 564139, 609880, 1128278, 2256556, 2820695, 4513112, 5641390, 11282780, 22565560]

約数ペア:

[(1, 22565560), (2, 11282780), (4, 5641390), (5, 4513112), (8, 2820695), (10, 2256556), (20, 1128278), (37, 609880), (40, 564139), (74, 304940), (79, 285640), (148, 152470), (158, 142820), (185, 121976), (193, 116920), (296, 76235), (316, 71410), (370, 60988), (386, 58460), (395, 57128), (632, 35705), (740, 30494), (772, 29230), (790, 28564), (965, 23384), (1480, 15247), (1544, 14615), (1580, 14282), (1930, 11692), (2923, 7720), (3160, 7141), (3860, 5846)]