64672056580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{163901}}^1$

素因数の和:164200

約数の個数: 48

約数和(自身を含む): 137815357680

約数和(自身を除く): 73143301100

約数列:

[1, 2, 4, 5, 10, 20, 109, 181, 218, 362, 436, 545, 724, 905, 1090, 1810, 2180, 3620, 19729, 39458, 78916, 98645, 163901, 197290, 327802, 394580, 655604, 819505, 1639010, 3278020, 17865209, 29666081, 35730418, 59332162, 71460836, 89326045, 118664324, 148330405, 178652090, 296660810, 357304180, 593321620, 3233602829, 6467205658, 12934411316, 16168014145, 32336028290, 64672056580]

約数ペア:

[(1, 64672056580), (2, 32336028290), (4, 16168014145), (5, 12934411316), (10, 6467205658), (20, 3233602829), (109, 593321620), (181, 357304180), (218, 296660810), (362, 178652090), (436, 148330405), (545, 118664324), (724, 89326045), (905, 71460836), (1090, 59332162), (1810, 35730418), (2180, 29666081), (3620, 17865209), (19729, 3278020), (39458, 1639010), (78916, 819505), (98645, 655604), (163901, 394580), (197290, 327802)]