3201680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1335

約数の個数: 40

約数和(自身を含む): 7689984

約数和(自身を除く): 4488304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 1291, 2480, 2582, 5164, 6455, 10328, 12910, 20656, 25820, 40021, 51640, 80042, 103280, 160084, 200105, 320168, 400210, 640336, 800420, 1600840, 3201680]

約数ペア:

[(1, 3201680), (2, 1600840), (4, 800420), (5, 640336), (8, 400210), (10, 320168), (16, 200105), (20, 160084), (31, 103280), (40, 80042), (62, 51640), (80, 40021), (124, 25820), (155, 20656), (248, 12910), (310, 10328), (496, 6455), (620, 5164), (1240, 2582), (1291, 2480)]