71349640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 165484800

約数和(自身を除く): 94135160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 79, 134, 158, 268, 316, 335, 337, 395, 536, 632, 670, 674, 790, 1340, 1348, 1580, 1685, 2680, 2696, 3160, 3370, 5293, 6740, 10586, 13480, 21172, 22579, 26465, 26623, 42344, 45158, 52930, 53246, 90316, 105860, 106492, 112895, 133115, 180632, 211720, 212984, 225790, 266230, 451580, 532460, 903160, 1064920, 1783741, 3567482, 7134964, 8918705, 14269928, 17837410, 35674820, 71349640]

約数ペア:

[(1, 71349640), (2, 35674820), (4, 17837410), (5, 14269928), (8, 8918705), (10, 7134964), (20, 3567482), (40, 1783741), (67, 1064920), (79, 903160), (134, 532460), (158, 451580), (268, 266230), (316, 225790), (335, 212984), (337, 211720), (395, 180632), (536, 133115), (632, 112895), (670, 106492), (674, 105860), (790, 90316), (1340, 53246), (1348, 52930), (1580, 45158), (1685, 42344), (2680, 26623), (2696, 26465), (3160, 22579), (3370, 21172), (5293, 13480), (6740, 10586)]