130705640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1601}}^1$

素因数の和:1782

約数の個数: 64

約数和(自身を含む): 318926160

約数和(自身を除く): 188220520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 1256, 1570, 1601, 2041, 3140, 3202, 4082, 6280, 6404, 8005, 8164, 10205, 12808, 16010, 16328, 20410, 20813, 32020, 40820, 41626, 64040, 81640, 83252, 104065, 166504, 208130, 251357, 416260, 502714, 832520, 1005428, 1256785, 2010856, 2513570, 3267641, 5027140, 6535282, 10054280, 13070564, 16338205, 26141128, 32676410, 65352820, 130705640]

約数ペア:

[(1, 130705640), (2, 65352820), (4, 32676410), (5, 26141128), (8, 16338205), (10, 13070564), (13, 10054280), (20, 6535282), (26, 5027140), (40, 3267641), (52, 2513570), (65, 2010856), (104, 1256785), (130, 1005428), (157, 832520), (260, 502714), (314, 416260), (520, 251357), (628, 208130), (785, 166504), (1256, 104065), (1570, 83252), (1601, 81640), (2041, 64040), (3140, 41626), (3202, 40820), (4082, 32020), (6280, 20813), (6404, 20410), (8005, 16328), (8164, 16010), (10205, 12808)]