80380336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6449}}^1$

素因数の和:6517

約数の個数: 40

約数和(自身を含む): 167958000

約数和(自身を除く): 87577664

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 6449, 12464, 12898, 25796, 51592, 103184, 122531, 245062, 264409, 490124, 528818, 980248, 1057636, 1960496, 2115272, 4230544, 5023771, 10047542, 20095084, 40190168, 80380336]

約数ペア:

[(1, 80380336), (2, 40190168), (4, 20095084), (8, 10047542), (16, 5023771), (19, 4230544), (38, 2115272), (41, 1960496), (76, 1057636), (82, 980248), (152, 528818), (164, 490124), (304, 264409), (328, 245062), (656, 122531), (779, 103184), (1558, 51592), (3116, 25796), (6232, 12898), (6449, 12464)]