88994840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{907}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 219663360

約数和(自身を除く): 130668520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 223, 440, 446, 892, 907, 1115, 1784, 1814, 2230, 2453, 3628, 4460, 4535, 4906, 7256, 8920, 9070, 9812, 9977, 12265, 18140, 19624, 19954, 24530, 36280, 39908, 49060, 49885, 79816, 98120, 99770, 199540, 202261, 399080, 404522, 809044, 1011305, 1618088, 2022610, 2224871, 4045220, 4449742, 8090440, 8899484, 11124355, 17798968, 22248710, 44497420, 88994840]

約数ペア:

[(1, 88994840), (2, 44497420), (4, 22248710), (5, 17798968), (8, 11124355), (10, 8899484), (11, 8090440), (20, 4449742), (22, 4045220), (40, 2224871), (44, 2022610), (55, 1618088), (88, 1011305), (110, 809044), (220, 404522), (223, 399080), (440, 202261), (446, 199540), (892, 99770), (907, 98120), (1115, 79816), (1784, 49885), (1814, 49060), (2230, 39908), (2453, 36280), (3628, 24530), (4460, 19954), (4535, 19624), (4906, 18140), (7256, 12265), (8920, 9977), (9070, 9812)]