22253840

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{811}}^1$

素因数の和:845

約数の個数: 80

約数和(自身を含む): 60412800

約数和(自身を除く): 38158960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 811, 980, 1372, 1622, 1715, 1960, 2744, 3244, 3430, 3920, 4055, 5488, 5677, 6488, 6860, 8110, 11354, 12976, 13720, 16220, 22708, 27440, 28385, 32440, 39739, 45416, 56770, 64880, 79478, 90832, 113540, 158956, 198695, 227080, 278173, 317912, 397390, 454160, 556346, 635824, 794780, 1112692, 1390865, 1589560, 2225384, 2781730, 3179120, 4450768, 5563460, 11126920, 22253840]

約数ペア:

[(1, 22253840), (2, 11126920), (4, 5563460), (5, 4450768), (7, 3179120), (8, 2781730), (10, 2225384), (14, 1589560), (16, 1390865), (20, 1112692), (28, 794780), (35, 635824), (40, 556346), (49, 454160), (56, 397390), (70, 317912), (80, 278173), (98, 227080), (112, 198695), (140, 158956), (196, 113540), (245, 90832), (280, 79478), (343, 64880), (392, 56770), (490, 45416), (560, 39739), (686, 32440), (784, 28385), (811, 27440), (980, 22708), (1372, 16220), (1622, 13720), (1715, 12976), (1960, 11354), (2744, 8110), (3244, 6860), (3430, 6488), (3920, 5677), (4055, 5488)]