78577120

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6917}}^1$

素因数の和:7003

約数の個数: 48

約数和(自身を含む): 188280288

約数和(自身を除く): 109703168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 6917, 11360, 13834, 27668, 34585, 55336, 69170, 110672, 138340, 221344, 276680, 491107, 553360, 982214, 1106720, 1964428, 2455535, 3928856, 4911070, 7857712, 9822140, 15715424, 19644280, 39288560, 78577120]

約数ペア:

[(1, 78577120), (2, 39288560), (4, 19644280), (5, 15715424), (8, 9822140), (10, 7857712), (16, 4911070), (20, 3928856), (32, 2455535), (40, 1964428), (71, 1106720), (80, 982214), (142, 553360), (160, 491107), (284, 276680), (355, 221344), (568, 138340), (710, 110672), (1136, 69170), (1420, 55336), (2272, 34585), (2840, 27668), (5680, 13834), (6917, 11360)]