31871360

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2659

約数の個数: 64

約数和(自身を含む): 80233200

約数和(自身を除く): 48361840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 2621, 3040, 5242, 6080, 10484, 12160, 13105, 20968, 26210, 41936, 49799, 52420, 83872, 99598, 104840, 167744, 199196, 209680, 248995, 335488, 398392, 419360, 497990, 796784, 838720, 995980, 1593568, 1677440, 1991960, 3187136, 3983920, 6374272, 7967840, 15935680, 31871360]

約数ペア:

[(1, 31871360), (2, 15935680), (4, 7967840), (5, 6374272), (8, 3983920), (10, 3187136), (16, 1991960), (19, 1677440), (20, 1593568), (32, 995980), (38, 838720), (40, 796784), (64, 497990), (76, 419360), (80, 398392), (95, 335488), (128, 248995), (152, 209680), (160, 199196), (190, 167744), (304, 104840), (320, 99598), (380, 83872), (608, 52420), (640, 49799), (760, 41936), (1216, 26210), (1520, 20968), (2432, 13105), (2621, 12160), (3040, 10484), (5242, 6080)]