71406640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28793}}^1$

素因数の和:28837

約数の個数: 40

約数和(自身を含む): 171381888

約数和(自身を除く): 99975248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28793, 57586, 115172, 143965, 230344, 287930, 460688, 575860, 892583, 1151720, 1785166, 2303440, 3570332, 4462915, 7140664, 8925830, 14281328, 17851660, 35703320, 71406640]

約数ペア:

[(1, 71406640), (2, 35703320), (4, 17851660), (5, 14281328), (8, 8925830), (10, 7140664), (16, 4462915), (20, 3570332), (31, 2303440), (40, 1785166), (62, 1151720), (80, 892583), (124, 575860), (155, 460688), (248, 287930), (310, 230344), (496, 143965), (620, 115172), (1240, 57586), (2480, 28793)]