129628160

素因数分解:

$2^{11}\times 5^1\times {\mathrm{12659}}^1$

素因数の和:12686

約数の個数: 48

約数和(自身を含む): 311056200

約数和(自身を除く): 181428040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 12659, 25318, 50636, 63295, 101272, 126590, 202544, 253180, 405088, 506360, 810176, 1012720, 1620352, 2025440, 3240704, 4050880, 6481408, 8101760, 12962816, 16203520, 25925632, 32407040, 64814080, 129628160]

約数ペア:

[(1, 129628160), (2, 64814080), (4, 32407040), (5, 25925632), (8, 16203520), (10, 12962816), (16, 8101760), (20, 6481408), (32, 4050880), (40, 3240704), (64, 2025440), (80, 1620352), (128, 1012720), (160, 810176), (256, 506360), (320, 405088), (512, 253180), (640, 202544), (1024, 126590), (1280, 101272), (2048, 63295), (2560, 50636), (5120, 25318), (10240, 12659)]