16565521820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{269183}}^1$

素因数の和:269390

約数の個数: 48

約数和(自身を含む): 37037564928

約数和(自身を除く): 20472043108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 724, 905, 1810, 3077, 3620, 6154, 12308, 15385, 30770, 61540, 269183, 538366, 1076732, 1345915, 2691830, 4576111, 5383660, 9152222, 18304444, 22880555, 45761110, 48722123, 91522220, 97444246, 194888492, 243610615, 487221230, 828276091, 974442460, 1656552182, 3313104364, 4141380455, 8282760910, 16565521820]

約数ペア:

[(1, 16565521820), (2, 8282760910), (4, 4141380455), (5, 3313104364), (10, 1656552182), (17, 974442460), (20, 828276091), (34, 487221230), (68, 243610615), (85, 194888492), (170, 97444246), (181, 91522220), (340, 48722123), (362, 45761110), (724, 22880555), (905, 18304444), (1810, 9152222), (3077, 5383660), (3620, 4576111), (6154, 2691830), (12308, 1345915), (15385, 1076732), (30770, 538366), (61540, 269183)]