7126309840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{20333}}^1$

素因数の和:20696

約数の個数: 80

約数和(自身を含む): 17897010768

約数和(自身を除く): 10770700928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 337, 520, 674, 1040, 1348, 1685, 2696, 3370, 4381, 5392, 6740, 8762, 13480, 17524, 20333, 21905, 26960, 35048, 40666, 43810, 70096, 81332, 87620, 101665, 162664, 175240, 203330, 264329, 325328, 350480, 406660, 528658, 813320, 1057316, 1321645, 1626640, 2114632, 2643290, 4229264, 5286580, 6852221, 10573160, 13704442, 21146320, 27408884, 34261105, 54817768, 68522210, 89078873, 109635536, 137044420, 178157746, 274088840, 356315492, 445394365, 548177680, 712630984, 890788730, 1425261968, 1781577460, 3563154920, 7126309840]

約数ペア:

[(1, 7126309840), (2, 3563154920), (4, 1781577460), (5, 1425261968), (8, 890788730), (10, 712630984), (13, 548177680), (16, 445394365), (20, 356315492), (26, 274088840), (40, 178157746), (52, 137044420), (65, 109635536), (80, 89078873), (104, 68522210), (130, 54817768), (208, 34261105), (260, 27408884), (337, 21146320), (520, 13704442), (674, 10573160), (1040, 6852221), (1348, 5286580), (1685, 4229264), (2696, 2643290), (3370, 2114632), (4381, 1626640), (5392, 1321645), (6740, 1057316), (8762, 813320), (13480, 528658), (17524, 406660), (20333, 350480), (21905, 325328), (26960, 264329), (35048, 203330), (40666, 175240), (43810, 162664), (70096, 101665), (81332, 87620)]