11225720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 28477440

約数和(自身を除く): 17251720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 823, 1240, 1364, 1646, 1705, 2728, 3292, 3410, 4115, 6584, 6820, 8230, 9053, 13640, 16460, 18106, 25513, 32920, 36212, 45265, 51026, 72424, 90530, 102052, 127565, 181060, 204104, 255130, 280643, 362120, 510260, 561286, 1020520, 1122572, 1403215, 2245144, 2806430, 5612860, 11225720]

約数ペア:

[(1, 11225720), (2, 5612860), (4, 2806430), (5, 2245144), (8, 1403215), (10, 1122572), (11, 1020520), (20, 561286), (22, 510260), (31, 362120), (40, 280643), (44, 255130), (55, 204104), (62, 181060), (88, 127565), (110, 102052), (124, 90530), (155, 72424), (220, 51026), (248, 45265), (310, 36212), (341, 32920), (440, 25513), (620, 18106), (682, 16460), (823, 13640), (1240, 9053), (1364, 8230), (1646, 6820), (1705, 6584), (2728, 4115), (3292, 3410)]