177534920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1051}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 413562240

約数和(自身を除く): 236027320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 103, 164, 205, 206, 328, 410, 412, 515, 820, 824, 1030, 1051, 1640, 2060, 2102, 4120, 4204, 4223, 5255, 8408, 8446, 10510, 16892, 21020, 21115, 33784, 42040, 42230, 43091, 84460, 86182, 108253, 168920, 172364, 215455, 216506, 344728, 430910, 433012, 541265, 861820, 866024, 1082530, 1723640, 2165060, 4330120, 4438373, 8876746, 17753492, 22191865, 35506984, 44383730, 88767460, 177534920]

約数ペア:

[(1, 177534920), (2, 88767460), (4, 44383730), (5, 35506984), (8, 22191865), (10, 17753492), (20, 8876746), (40, 4438373), (41, 4330120), (82, 2165060), (103, 1723640), (164, 1082530), (205, 866024), (206, 861820), (328, 541265), (410, 433012), (412, 430910), (515, 344728), (820, 216506), (824, 215455), (1030, 172364), (1051, 168920), (1640, 108253), (2060, 86182), (2102, 84460), (4120, 43091), (4204, 42230), (4223, 42040), (5255, 33784), (8408, 21115), (8446, 21020), (10510, 16892)]