51413200

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1627}}^1$

素因数の和:1724

約数の個数: 60

約数和(自身を含む): 125160640

約数和(自身を除く): 73747440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1580, 1627, 1975, 3160, 3254, 3950, 6320, 6508, 7900, 8135, 13016, 15800, 16270, 26032, 31600, 32540, 40675, 65080, 81350, 128533, 130160, 162700, 257066, 325400, 514132, 642665, 650800, 1028264, 1285330, 2056528, 2570660, 3213325, 5141320, 6426650, 10282640, 12853300, 25706600, 51413200]

約数ペア:

[(1, 51413200), (2, 25706600), (4, 12853300), (5, 10282640), (8, 6426650), (10, 5141320), (16, 3213325), (20, 2570660), (25, 2056528), (40, 1285330), (50, 1028264), (79, 650800), (80, 642665), (100, 514132), (158, 325400), (200, 257066), (316, 162700), (395, 130160), (400, 128533), (632, 81350), (790, 65080), (1264, 40675), (1580, 32540), (1627, 31600), (1975, 26032), (3160, 16270), (3254, 15800), (3950, 13016), (6320, 8135), (6508, 7900)]