66971440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{28867}}^1$

素因数の和:28909

約数の個数: 40

約数和(自身を含む): 161083440

約数和(自身を除く): 94112000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 28867, 57734, 115468, 144335, 230936, 288670, 461872, 577340, 837143, 1154680, 1674286, 2309360, 3348572, 4185715, 6697144, 8371430, 13394288, 16742860, 33485720, 66971440]

約数ペア:

[(1, 66971440), (2, 33485720), (4, 16742860), (5, 13394288), (8, 8371430), (10, 6697144), (16, 4185715), (20, 3348572), (29, 2309360), (40, 1674286), (58, 1154680), (80, 837143), (116, 577340), (145, 461872), (232, 288670), (290, 230936), (464, 144335), (580, 115468), (1160, 57734), (2320, 28867)]