51703040

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1355

約数の個数: 72

約数和(自身を含む): 127938048

約数和(自身を除く): 76235008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1303, 1984, 2480, 2606, 3968, 4960, 5212, 6515, 7936, 9920, 10424, 13030, 19840, 20848, 26060, 39680, 40393, 41696, 52120, 80786, 83392, 104240, 161572, 166784, 201965, 208480, 323144, 333568, 403930, 416960, 646288, 807860, 833920, 1292576, 1615720, 1667840, 2585152, 3231440, 5170304, 6462880, 10340608, 12925760, 25851520, 51703040]

約数ペア:

[(1, 51703040), (2, 25851520), (4, 12925760), (5, 10340608), (8, 6462880), (10, 5170304), (16, 3231440), (20, 2585152), (31, 1667840), (32, 1615720), (40, 1292576), (62, 833920), (64, 807860), (80, 646288), (124, 416960), (128, 403930), (155, 333568), (160, 323144), (248, 208480), (256, 201965), (310, 166784), (320, 161572), (496, 104240), (620, 83392), (640, 80786), (992, 52120), (1240, 41696), (1280, 40393), (1303, 39680), (1984, 26060), (2480, 20848), (2606, 19840), (3968, 13030), (4960, 10424), (5212, 9920), (6515, 7936)]