155842840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{29741}}^1$

素因数の和:29883

約数の個数: 32

約数和(自身を含む): 353334960

約数和(自身を除く): 197492120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 29741, 59482, 118964, 148705, 237928, 297410, 594820, 1189640, 3896071, 7792142, 15584284, 19480355, 31168568, 38960710, 77921420, 155842840]

約数ペア:

[(1, 155842840), (2, 77921420), (4, 38960710), (5, 31168568), (8, 19480355), (10, 15584284), (20, 7792142), (40, 3896071), (131, 1189640), (262, 594820), (524, 297410), (655, 237928), (1048, 148705), (1310, 118964), (2620, 59482), (5240, 29741)]