133546640

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{12743}}^1$

素因数の和:12887

約数の個数: 40

約数和(自身を含む): 312890688

約数和(自身を除く): 179344048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 12743, 25486, 50972, 63715, 101944, 127430, 203888, 254860, 509720, 1019440, 1669333, 3338666, 6677332, 8346665, 13354664, 16693330, 26709328, 33386660, 66773320, 133546640]

約数ペア:

[(1, 133546640), (2, 66773320), (4, 33386660), (5, 26709328), (8, 16693330), (10, 13354664), (16, 8346665), (20, 6677332), (40, 3338666), (80, 1669333), (131, 1019440), (262, 509720), (524, 254860), (655, 203888), (1048, 127430), (1310, 101944), (2096, 63715), (2620, 50972), (5240, 25486), (10480, 12743)]