11131480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 26542080

約数和(自身を除く): 15410600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 191, 235, 248, 310, 376, 382, 470, 620, 764, 940, 955, 1240, 1457, 1528, 1880, 1910, 2914, 3820, 5828, 5921, 7285, 7640, 8977, 11656, 11842, 14570, 17954, 23684, 29140, 29605, 35908, 44885, 47368, 58280, 59210, 71816, 89770, 118420, 179540, 236840, 278287, 359080, 556574, 1113148, 1391435, 2226296, 2782870, 5565740, 11131480]

約数ペア:

[(1, 11131480), (2, 5565740), (4, 2782870), (5, 2226296), (8, 1391435), (10, 1113148), (20, 556574), (31, 359080), (40, 278287), (47, 236840), (62, 179540), (94, 118420), (124, 89770), (155, 71816), (188, 59210), (191, 58280), (235, 47368), (248, 44885), (310, 35908), (376, 29605), (382, 29140), (470, 23684), (620, 17954), (764, 14570), (940, 11842), (955, 11656), (1240, 8977), (1457, 7640), (1528, 7285), (1880, 5921), (1910, 5828), (2914, 3820)]