71261440

素因数分解:

$2^8\times 5^1\times {\mathrm{55673}}^1$

素因数の和:55694

約数の個数: 36

約数和(自身を含む): 170696484

約数和(自身を除く): 99435044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 55673, 111346, 222692, 278365, 445384, 556730, 890768, 1113460, 1781536, 2226920, 3563072, 4453840, 7126144, 8907680, 14252288, 17815360, 35630720, 71261440]

約数ペア:

[(1, 71261440), (2, 35630720), (4, 17815360), (5, 14252288), (8, 8907680), (10, 7126144), (16, 4453840), (20, 3563072), (32, 2226920), (40, 1781536), (64, 1113460), (80, 890768), (128, 556730), (160, 445384), (256, 278365), (320, 222692), (640, 111346), (1280, 55673)]