42645280

素因数分解:

$2^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1381}}^1$

素因数の和:1589

約数の個数: 48

約数和(自身を含む): 101344824

約数和(自身を除く): 58699544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193, 386, 772, 965, 1381, 1544, 1930, 2762, 3088, 3860, 5524, 6176, 6905, 7720, 11048, 13810, 15440, 22096, 27620, 30880, 44192, 55240, 110480, 220960, 266533, 533066, 1066132, 1332665, 2132264, 2665330, 4264528, 5330660, 8529056, 10661320, 21322640, 42645280]

約数ペア:

[(1, 42645280), (2, 21322640), (4, 10661320), (5, 8529056), (8, 5330660), (10, 4264528), (16, 2665330), (20, 2132264), (32, 1332665), (40, 1066132), (80, 533066), (160, 266533), (193, 220960), (386, 110480), (772, 55240), (965, 44192), (1381, 30880), (1544, 27620), (1930, 22096), (2762, 15440), (3088, 13810), (3860, 11048), (5524, 7720), (6176, 6905)]