24271780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 56814912

約数和(自身を除く): 32543132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 167, 169, 172, 215, 260, 334, 338, 430, 559, 668, 676, 835, 845, 860, 1118, 1670, 1690, 2171, 2236, 2795, 3340, 3380, 4342, 5590, 7181, 7267, 8684, 10855, 11180, 14362, 14534, 21710, 28223, 28724, 29068, 35905, 36335, 43420, 56446, 71810, 72670, 93353, 112892, 141115, 143620, 145340, 186706, 282230, 373412, 466765, 564460, 933530, 1213589, 1867060, 2427178, 4854356, 6067945, 12135890, 24271780]

約数ペア:

[(1, 24271780), (2, 12135890), (4, 6067945), (5, 4854356), (10, 2427178), (13, 1867060), (20, 1213589), (26, 933530), (43, 564460), (52, 466765), (65, 373412), (86, 282230), (130, 186706), (167, 145340), (169, 143620), (172, 141115), (215, 112892), (260, 93353), (334, 72670), (338, 71810), (430, 56446), (559, 43420), (668, 36335), (676, 35905), (835, 29068), (845, 28724), (860, 28223), (1118, 21710), (1670, 14534), (1690, 14362), (2171, 11180), (2236, 10855), (2795, 8684), (3340, 7267), (3380, 7181), (4342, 5590)]