28006480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20593}}^1$

素因数の和:20623

約数の個数: 40

約数和(自身を含む): 68948712

約数和(自身を除く): 40942232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 20593, 41186, 82372, 102965, 164744, 205930, 329488, 350081, 411860, 700162, 823720, 1400324, 1647440, 1750405, 2800648, 3500810, 5601296, 7001620, 14003240, 28006480]

約数ペア:

[(1, 28006480), (2, 14003240), (4, 7001620), (5, 5601296), (8, 3500810), (10, 2800648), (16, 1750405), (17, 1647440), (20, 1400324), (34, 823720), (40, 700162), (68, 411860), (80, 350081), (85, 329488), (136, 205930), (170, 164744), (272, 102965), (340, 82372), (680, 41186), (1360, 20593)]