31768880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2814

約数の個数: 80

約数和(自身を含む): 86806944

約数和(自身を除く): 55038064

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2777, 2860, 5554, 5720, 11108, 11440, 13885, 22216, 27770, 30547, 36101, 44432, 55540, 61094, 72202, 111080, 122188, 144404, 152735, 180505, 222160, 244376, 288808, 305470, 361010, 397111, 488752, 577616, 610940, 722020, 794222, 1221880, 1444040, 1588444, 1985555, 2443760, 2888080, 3176888, 3971110, 6353776, 7942220, 15884440, 31768880]

約数ペア:

[(1, 31768880), (2, 15884440), (4, 7942220), (5, 6353776), (8, 3971110), (10, 3176888), (11, 2888080), (13, 2443760), (16, 1985555), (20, 1588444), (22, 1444040), (26, 1221880), (40, 794222), (44, 722020), (52, 610940), (55, 577616), (65, 488752), (80, 397111), (88, 361010), (104, 305470), (110, 288808), (130, 244376), (143, 222160), (176, 180505), (208, 152735), (220, 144404), (260, 122188), (286, 111080), (440, 72202), (520, 61094), (572, 55540), (715, 44432), (880, 36101), (1040, 30547), (1144, 27770), (1430, 22216), (2288, 13885), (2777, 11440), (2860, 11108), (5554, 5720)]