28347520

素因数分解:

$2^7\times 5^1\times {\mathrm{44293}}^1$

素因数の和:44312

約数の個数: 32

約数和(自身を含む): 67769820

約数和(自身を除く): 39422300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44293, 88586, 177172, 221465, 354344, 442930, 708688, 885860, 1417376, 1771720, 2834752, 3543440, 5669504, 7086880, 14173760, 28347520]

約数ペア:

[(1, 28347520), (2, 14173760), (4, 7086880), (5, 5669504), (8, 3543440), (10, 2834752), (16, 1771720), (20, 1417376), (32, 885860), (40, 708688), (64, 442930), (80, 354344), (128, 221465), (160, 177172), (320, 88586), (640, 44293)]