80826400

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1514

約数の個数: 72

約数和(自身を含む): 200237184

約数和(自身を除く): 119410784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 568, 710, 800, 1136, 1420, 1423, 1775, 2272, 2840, 2846, 3550, 5680, 5692, 7100, 7115, 11360, 11384, 14200, 14230, 22768, 28400, 28460, 35575, 45536, 56800, 56920, 71150, 101033, 113840, 142300, 202066, 227680, 284600, 404132, 505165, 569200, 808264, 1010330, 1138400, 1616528, 2020660, 2525825, 3233056, 4041320, 5051650, 8082640, 10103300, 16165280, 20206600, 40413200, 80826400]

約数ペア:

[(1, 80826400), (2, 40413200), (4, 20206600), (5, 16165280), (8, 10103300), (10, 8082640), (16, 5051650), (20, 4041320), (25, 3233056), (32, 2525825), (40, 2020660), (50, 1616528), (71, 1138400), (80, 1010330), (100, 808264), (142, 569200), (160, 505165), (200, 404132), (284, 284600), (355, 227680), (400, 202066), (568, 142300), (710, 113840), (800, 101033), (1136, 71150), (1420, 56920), (1423, 56800), (1775, 45536), (2272, 35575), (2840, 28460), (2846, 28400), (3550, 22768), (5680, 14230), (5692, 14200), (7100, 11384), (7115, 11360)]