8507140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 19160064

約数和(自身を除く): 10652924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 191, 262, 340, 382, 524, 655, 764, 955, 1310, 1910, 2227, 2620, 3247, 3820, 4454, 6494, 8908, 11135, 12988, 16235, 22270, 25021, 32470, 44540, 50042, 64940, 100084, 125105, 250210, 425357, 500420, 850714, 1701428, 2126785, 4253570, 8507140]

約数ペア:

[(1, 8507140), (2, 4253570), (4, 2126785), (5, 1701428), (10, 850714), (17, 500420), (20, 425357), (34, 250210), (68, 125105), (85, 100084), (131, 64940), (170, 50042), (191, 44540), (262, 32470), (340, 25021), (382, 22270), (524, 16235), (655, 12988), (764, 11135), (955, 8908), (1310, 6494), (1910, 4454), (2227, 3820), (2620, 3247)]