90679040

素因数分解:

$2^8\times 5^1\times {\mathrm{70843}}^1$

素因数の和:70864

約数の個数: 36

約数和(自身を含む): 217207704

約数和(自身を除く): 126528664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 70843, 141686, 283372, 354215, 566744, 708430, 1133488, 1416860, 2266976, 2833720, 4533952, 5667440, 9067904, 11334880, 18135808, 22669760, 45339520, 90679040]

約数ペア:

[(1, 90679040), (2, 45339520), (4, 22669760), (5, 18135808), (8, 11334880), (10, 9067904), (16, 5667440), (20, 4533952), (32, 2833720), (40, 2266976), (64, 1416860), (80, 1133488), (128, 708430), (160, 566744), (256, 354215), (320, 283372), (640, 141686), (1280, 70843)]