83707660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1289}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 187246080

約数和(自身を除く): 103538420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 340, 382, 764, 955, 1289, 1910, 2578, 3247, 3820, 5156, 6445, 6494, 12890, 12988, 16235, 21913, 25780, 32470, 43826, 64940, 87652, 109565, 219130, 246199, 438260, 492398, 984796, 1230995, 2461990, 4185383, 4923980, 8370766, 16741532, 20926915, 41853830, 83707660]

約数ペア:

[(1, 83707660), (2, 41853830), (4, 20926915), (5, 16741532), (10, 8370766), (17, 4923980), (20, 4185383), (34, 2461990), (68, 1230995), (85, 984796), (170, 492398), (191, 438260), (340, 246199), (382, 219130), (764, 109565), (955, 87652), (1289, 64940), (1910, 43826), (2578, 32470), (3247, 25780), (3820, 21913), (5156, 16235), (6445, 12988), (6494, 12890)]