52481960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 121666320

約数和(自身を除く): 69184360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 137, 157, 244, 274, 305, 314, 488, 548, 610, 628, 685, 785, 1096, 1220, 1256, 1370, 1570, 2440, 2740, 3140, 5480, 6280, 8357, 9577, 16714, 19154, 21509, 33428, 38308, 41785, 43018, 47885, 66856, 76616, 83570, 86036, 95770, 107545, 167140, 172072, 191540, 215090, 334280, 383080, 430180, 860360, 1312049, 2624098, 5248196, 6560245, 10496392, 13120490, 26240980, 52481960]

約数ペア:

[(1, 52481960), (2, 26240980), (4, 13120490), (5, 10496392), (8, 6560245), (10, 5248196), (20, 2624098), (40, 1312049), (61, 860360), (122, 430180), (137, 383080), (157, 334280), (244, 215090), (274, 191540), (305, 172072), (314, 167140), (488, 107545), (548, 95770), (610, 86036), (628, 83570), (685, 76616), (785, 66856), (1096, 47885), (1220, 43018), (1256, 41785), (1370, 38308), (1570, 33428), (2440, 21509), (2740, 19154), (3140, 16714), (5480, 9577), (6280, 8357)]