16828640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 44089920

約数和(自身を除く): 27261280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 68, 80, 85, 92, 115, 136, 160, 170, 184, 230, 269, 272, 340, 368, 391, 460, 538, 544, 680, 736, 782, 920, 1076, 1345, 1360, 1564, 1840, 1955, 2152, 2690, 2720, 3128, 3680, 3910, 4304, 4573, 5380, 6187, 6256, 7820, 8608, 9146, 10760, 12374, 12512, 15640, 18292, 21520, 22865, 24748, 30935, 31280, 36584, 43040, 45730, 49496, 61870, 62560, 73168, 91460, 98992, 105179, 123740, 146336, 182920, 197984, 210358, 247480, 365840, 420716, 494960, 525895, 731680, 841432, 989920, 1051790, 1682864, 2103580, 3365728, 4207160, 8414320, 16828640]

約数ペア:

[(1, 16828640), (2, 8414320), (4, 4207160), (5, 3365728), (8, 2103580), (10, 1682864), (16, 1051790), (17, 989920), (20, 841432), (23, 731680), (32, 525895), (34, 494960), (40, 420716), (46, 365840), (68, 247480), (80, 210358), (85, 197984), (92, 182920), (115, 146336), (136, 123740), (160, 105179), (170, 98992), (184, 91460), (230, 73168), (269, 62560), (272, 61870), (340, 49496), (368, 45730), (391, 43040), (460, 36584), (538, 31280), (544, 30935), (680, 24748), (736, 22865), (782, 21520), (920, 18292), (1076, 15640), (1345, 12512), (1360, 12374), (1564, 10760), (1840, 9146), (1955, 8608), (2152, 7820), (2690, 6256), (2720, 6187), (3128, 5380), (3680, 4573), (3910, 4304)]