22354840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 52889760

約数和(自身を除く): 30534920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 317, 328, 344, 410, 430, 634, 820, 860, 1268, 1585, 1640, 1720, 1763, 2536, 3170, 3526, 6340, 7052, 8815, 12680, 12997, 13631, 14104, 17630, 25994, 27262, 35260, 51988, 54524, 64985, 68155, 70520, 103976, 109048, 129970, 136310, 259940, 272620, 519880, 545240, 558871, 1117742, 2235484, 2794355, 4470968, 5588710, 11177420, 22354840]

約数ペア:

[(1, 22354840), (2, 11177420), (4, 5588710), (5, 4470968), (8, 2794355), (10, 2235484), (20, 1117742), (40, 558871), (41, 545240), (43, 519880), (82, 272620), (86, 259940), (164, 136310), (172, 129970), (205, 109048), (215, 103976), (317, 70520), (328, 68155), (344, 64985), (410, 54524), (430, 51988), (634, 35260), (820, 27262), (860, 25994), (1268, 17630), (1585, 14104), (1640, 13631), (1720, 12997), (1763, 12680), (2536, 8815), (3170, 7052), (3526, 6340)]