2129013760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{415823}}^1$

素因数の和:415848

約数の個数: 44

約数和(自身を含む): 5107150368

約数和(自身を除く): 2978136608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 415823, 831646, 1663292, 2079115, 3326584, 4158230, 6653168, 8316460, 13306336, 16632920, 26612672, 33265840, 53225344, 66531680, 106450688, 133063360, 212901376, 266126720, 425802752, 532253440, 1064506880, 2129013760]

約数ペア:

[(1, 2129013760), (2, 1064506880), (4, 532253440), (5, 425802752), (8, 266126720), (10, 212901376), (16, 133063360), (20, 106450688), (32, 66531680), (40, 53225344), (64, 33265840), (80, 26612672), (128, 16632920), (160, 13306336), (256, 8316460), (320, 6653168), (512, 4158230), (640, 3326584), (1024, 2079115), (1280, 1663292), (2560, 831646), (5120, 415823)]