40389760

素因数分解:

$2^7\times 5^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 97332480

約数和(自身を除く): 56942720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 283, 320, 446, 566, 640, 892, 1115, 1132, 1415, 1784, 2230, 2264, 2830, 3568, 4460, 4528, 5660, 7136, 8920, 9056, 11320, 14272, 17840, 18112, 22640, 28544, 35680, 36224, 45280, 63109, 71360, 90560, 126218, 142720, 181120, 252436, 315545, 504872, 631090, 1009744, 1262180, 2019488, 2524360, 4038976, 5048720, 8077952, 10097440, 20194880, 40389760]

約数ペア:

[(1, 40389760), (2, 20194880), (4, 10097440), (5, 8077952), (8, 5048720), (10, 4038976), (16, 2524360), (20, 2019488), (32, 1262180), (40, 1009744), (64, 631090), (80, 504872), (128, 315545), (160, 252436), (223, 181120), (283, 142720), (320, 126218), (446, 90560), (566, 71360), (640, 63109), (892, 45280), (1115, 36224), (1132, 35680), (1415, 28544), (1784, 22640), (2230, 18112), (2264, 17840), (2830, 14272), (3568, 11320), (4460, 9056), (4528, 8920), (5660, 7136)]