2303320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 5248800

約数和(自身を除く): 2945480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 647, 712, 890, 1294, 1780, 2588, 3235, 3560, 5176, 6470, 12940, 25880, 57583, 115166, 230332, 287915, 460664, 575830, 1151660, 2303320]

約数ペア:

[(1, 2303320), (2, 1151660), (4, 575830), (5, 460664), (8, 287915), (10, 230332), (20, 115166), (40, 57583), (89, 25880), (178, 12940), (356, 6470), (445, 5176), (647, 3560), (712, 3235), (890, 2588), (1294, 1780)]