11205880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1340

約数の個数: 64

約数和(自身を含む): 29767680

約数和(自身を除く): 18561800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1291, 1736, 2170, 2582, 4340, 5164, 6455, 8680, 9037, 10328, 12910, 18074, 25820, 36148, 40021, 45185, 51640, 72296, 80042, 90370, 160084, 180740, 200105, 280147, 320168, 361480, 400210, 560294, 800420, 1120588, 1400735, 1600840, 2241176, 2801470, 5602940, 11205880]

約数ペア:

[(1, 11205880), (2, 5602940), (4, 2801470), (5, 2241176), (7, 1600840), (8, 1400735), (10, 1120588), (14, 800420), (20, 560294), (28, 400210), (31, 361480), (35, 320168), (40, 280147), (56, 200105), (62, 180740), (70, 160084), (124, 90370), (140, 80042), (155, 72296), (217, 51640), (248, 45185), (280, 40021), (310, 36148), (434, 25820), (620, 18074), (868, 12910), (1085, 10328), (1240, 9037), (1291, 8680), (1736, 6455), (2170, 5164), (2582, 4340)]