17991440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13229}}^1$

素因数の和:13259

約数の個数: 40

約数和(自身を含む): 44294040

約数和(自身を除く): 26302600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13229, 26458, 52916, 66145, 105832, 132290, 211664, 224893, 264580, 449786, 529160, 899572, 1058320, 1124465, 1799144, 2248930, 3598288, 4497860, 8995720, 17991440]

約数ペア:

[(1, 17991440), (2, 8995720), (4, 4497860), (5, 3598288), (8, 2248930), (10, 1799144), (16, 1124465), (17, 1058320), (20, 899572), (34, 529160), (40, 449786), (68, 264580), (80, 224893), (85, 211664), (136, 132290), (170, 105832), (272, 66145), (340, 52916), (680, 26458), (1360, 13229)]