16338520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 40746240

約数和(自身を除く): 24407720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 523, 568, 710, 781, 1046, 1420, 1562, 2092, 2615, 2840, 3124, 3905, 4184, 5230, 5753, 6248, 7810, 10460, 11506, 15620, 20920, 23012, 28765, 31240, 37133, 46024, 57530, 74266, 115060, 148532, 185665, 230120, 297064, 371330, 408463, 742660, 816926, 1485320, 1633852, 2042315, 3267704, 4084630, 8169260, 16338520]

約数ペア:

[(1, 16338520), (2, 8169260), (4, 4084630), (5, 3267704), (8, 2042315), (10, 1633852), (11, 1485320), (20, 816926), (22, 742660), (40, 408463), (44, 371330), (55, 297064), (71, 230120), (88, 185665), (110, 148532), (142, 115060), (220, 74266), (284, 57530), (355, 46024), (440, 37133), (523, 31240), (568, 28765), (710, 23012), (781, 20920), (1046, 15620), (1420, 11506), (1562, 10460), (2092, 7810), (2615, 6248), (2840, 5753), (3124, 5230), (3905, 4184)]