80870020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3089}}^1$

素因数の和:3133

約数の個数: 96

約数和(自身を含む): 224259840

約数和(自身を除く): 143389820

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 770, 935, 1190, 1309, 1540, 1870, 2380, 2618, 3089, 3740, 5236, 6178, 6545, 12356, 13090, 15445, 21623, 26180, 30890, 33979, 43246, 52513, 61780, 67958, 86492, 105026, 108115, 135916, 169895, 210052, 216230, 237853, 262565, 339790, 367591, 432460, 475706, 525130, 577643, 679580, 735182, 951412, 1050260, 1155286, 1189265, 1470364, 1837955, 2310572, 2378530, 2888215, 3675910, 4043501, 4757060, 5776430, 7351820, 8087002, 11552860, 16174004, 20217505, 40435010, 80870020]

約数ペア:

[(1, 80870020), (2, 40435010), (4, 20217505), (5, 16174004), (7, 11552860), (10, 8087002), (11, 7351820), (14, 5776430), (17, 4757060), (20, 4043501), (22, 3675910), (28, 2888215), (34, 2378530), (35, 2310572), (44, 1837955), (55, 1470364), (68, 1189265), (70, 1155286), (77, 1050260), (85, 951412), (110, 735182), (119, 679580), (140, 577643), (154, 525130), (170, 475706), (187, 432460), (220, 367591), (238, 339790), (308, 262565), (340, 237853), (374, 216230), (385, 210052), (476, 169895), (595, 135916), (748, 108115), (770, 105026), (935, 86492), (1190, 67958), (1309, 61780), (1540, 52513), (1870, 43246), (2380, 33979), (2618, 30890), (3089, 26180), (3740, 21623), (5236, 15445), (6178, 13090), (6545, 12356)]