22118720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{409}}^1$

素因数の和:452

約数の個数: 84

約数和(自身を含む): 57172860

約数和(自身を除く): 35054140

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 409, 416, 520, 676, 818, 832, 845, 1040, 1352, 1636, 1690, 2045, 2080, 2704, 3272, 3380, 4090, 4160, 5317, 5408, 6544, 6760, 8180, 10634, 10816, 13088, 13520, 16360, 21268, 26176, 26585, 27040, 32720, 42536, 53170, 54080, 65440, 69121, 85072, 106340, 130880, 138242, 170144, 212680, 276484, 340288, 345605, 425360, 552968, 691210, 850720, 1105936, 1382420, 1701440, 2211872, 2764840, 4423744, 5529680, 11059360, 22118720]

約数ペア:

[(1, 22118720), (2, 11059360), (4, 5529680), (5, 4423744), (8, 2764840), (10, 2211872), (13, 1701440), (16, 1382420), (20, 1105936), (26, 850720), (32, 691210), (40, 552968), (52, 425360), (64, 345605), (65, 340288), (80, 276484), (104, 212680), (130, 170144), (160, 138242), (169, 130880), (208, 106340), (260, 85072), (320, 69121), (338, 65440), (409, 54080), (416, 53170), (520, 42536), (676, 32720), (818, 27040), (832, 26585), (845, 26176), (1040, 21268), (1352, 16360), (1636, 13520), (1690, 13088), (2045, 10816), (2080, 10634), (2704, 8180), (3272, 6760), (3380, 6544), (4090, 5408), (4160, 5317)]