82138840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9463}}^1$

素因数の和:9512

約数の個数: 64

約数和(自身を含む): 218050560

約数和(自身を除く): 135911720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9463, 18926, 37852, 47315, 66241, 75704, 94630, 132482, 189260, 264964, 293353, 331205, 378520, 529928, 586706, 662410, 1173412, 1324820, 1466765, 2053471, 2346824, 2649640, 2933530, 4106942, 5867060, 8213884, 10267355, 11734120, 16427768, 20534710, 41069420, 82138840]

約数ペア:

[(1, 82138840), (2, 41069420), (4, 20534710), (5, 16427768), (7, 11734120), (8, 10267355), (10, 8213884), (14, 5867060), (20, 4106942), (28, 2933530), (31, 2649640), (35, 2346824), (40, 2053471), (56, 1466765), (62, 1324820), (70, 1173412), (124, 662410), (140, 586706), (155, 529928), (217, 378520), (248, 331205), (280, 293353), (310, 264964), (434, 189260), (620, 132482), (868, 94630), (1085, 75704), (1240, 66241), (1736, 47315), (2170, 37852), (4340, 18926), (8680, 9463)]