12758840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 31492800

約数和(自身を除く): 18733960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 647, 680, 986, 1160, 1294, 1972, 2465, 2588, 3235, 3944, 4930, 5176, 6470, 9860, 10999, 12940, 18763, 19720, 21998, 25880, 37526, 43996, 54995, 75052, 87992, 93815, 109990, 150104, 187630, 219980, 318971, 375260, 439960, 637942, 750520, 1275884, 1594855, 2551768, 3189710, 6379420, 12758840]

約数ペア:

[(1, 12758840), (2, 6379420), (4, 3189710), (5, 2551768), (8, 1594855), (10, 1275884), (17, 750520), (20, 637942), (29, 439960), (34, 375260), (40, 318971), (58, 219980), (68, 187630), (85, 150104), (116, 109990), (136, 93815), (145, 87992), (170, 75052), (232, 54995), (290, 43996), (340, 37526), (493, 25880), (580, 21998), (647, 19720), (680, 18763), (986, 12940), (1160, 10999), (1294, 9860), (1972, 6470), (2465, 5176), (2588, 4930), (3235, 3944)]