87125740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7793}}^1$

素因数の和:7858

約数の個数: 48

約数和(自身を含む): 201646368

約数和(自身を除く): 114520628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 7793, 11180, 15586, 31172, 38965, 77930, 101309, 155860, 202618, 335099, 405236, 506545, 670198, 1013090, 1340396, 1675495, 2026180, 3350990, 4356287, 6701980, 8712574, 17425148, 21781435, 43562870, 87125740]

約数ペア:

[(1, 87125740), (2, 43562870), (4, 21781435), (5, 17425148), (10, 8712574), (13, 6701980), (20, 4356287), (26, 3350990), (43, 2026180), (52, 1675495), (65, 1340396), (86, 1013090), (130, 670198), (172, 506545), (215, 405236), (260, 335099), (430, 202618), (559, 155860), (860, 101309), (1118, 77930), (2236, 38965), (2795, 31172), (5590, 15586), (7793, 11180)]