159788320

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6361}}^1$

素因数の和:6533

約数の個数: 48

約数和(自身を含む): 379964088

約数和(自身を除く): 220175768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 3140, 5024, 6280, 6361, 12560, 12722, 25120, 25444, 31805, 50888, 63610, 101776, 127220, 203552, 254440, 508880, 998677, 1017760, 1997354, 3994708, 4993385, 7989416, 9986770, 15978832, 19973540, 31957664, 39947080, 79894160, 159788320]

約数ペア:

[(1, 159788320), (2, 79894160), (4, 39947080), (5, 31957664), (8, 19973540), (10, 15978832), (16, 9986770), (20, 7989416), (32, 4993385), (40, 3994708), (80, 1997354), (157, 1017760), (160, 998677), (314, 508880), (628, 254440), (785, 203552), (1256, 127220), (1570, 101776), (2512, 63610), (3140, 50888), (5024, 31805), (6280, 25444), (6361, 25120), (12560, 12722)]