87106280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 203904000

約数和(自身を除く): 116797720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 199, 248, 310, 353, 398, 620, 706, 796, 995, 1240, 1412, 1592, 1765, 1990, 2824, 3530, 3980, 6169, 7060, 7960, 10943, 12338, 14120, 21886, 24676, 30845, 43772, 49352, 54715, 61690, 70247, 87544, 109430, 123380, 140494, 218860, 246760, 280988, 351235, 437720, 561976, 702470, 1404940, 2177657, 2809880, 4355314, 8710628, 10888285, 17421256, 21776570, 43553140, 87106280]

約数ペア:

[(1, 87106280), (2, 43553140), (4, 21776570), (5, 17421256), (8, 10888285), (10, 8710628), (20, 4355314), (31, 2809880), (40, 2177657), (62, 1404940), (124, 702470), (155, 561976), (199, 437720), (248, 351235), (310, 280988), (353, 246760), (398, 218860), (620, 140494), (706, 123380), (796, 109430), (995, 87544), (1240, 70247), (1412, 61690), (1592, 54715), (1765, 49352), (1990, 43772), (2824, 30845), (3530, 24676), (3980, 21886), (6169, 14120), (7060, 12338), (7960, 10943)]