40505840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16333}}^1$

素因数の和:16377

約数の個数: 40

約数和(自身を含む): 97219968

約数和(自身を除く): 56714128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 16333, 32666, 65332, 81665, 130664, 163330, 261328, 326660, 506323, 653320, 1012646, 1306640, 2025292, 2531615, 4050584, 5063230, 8101168, 10126460, 20252920, 40505840]

約数ペア:

[(1, 40505840), (2, 20252920), (4, 10126460), (5, 8101168), (8, 5063230), (10, 4050584), (16, 2531615), (20, 2025292), (31, 1306640), (40, 1012646), (62, 653320), (80, 506323), (124, 326660), (155, 261328), (248, 163330), (310, 130664), (496, 81665), (620, 65332), (1240, 32666), (2480, 16333)]