16203080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 38361600

約数和(自身を除く): 22158520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 179, 248, 292, 310, 358, 365, 584, 620, 716, 730, 895, 1240, 1432, 1460, 1790, 2263, 2920, 3580, 4526, 5549, 7160, 9052, 11098, 11315, 13067, 18104, 22196, 22630, 26134, 27745, 44392, 45260, 52268, 55490, 65335, 90520, 104536, 110980, 130670, 221960, 261340, 405077, 522680, 810154, 1620308, 2025385, 3240616, 4050770, 8101540, 16203080]

約数ペア:

[(1, 16203080), (2, 8101540), (4, 4050770), (5, 3240616), (8, 2025385), (10, 1620308), (20, 810154), (31, 522680), (40, 405077), (62, 261340), (73, 221960), (124, 130670), (146, 110980), (155, 104536), (179, 90520), (248, 65335), (292, 55490), (310, 52268), (358, 45260), (365, 44392), (584, 27745), (620, 26134), (716, 22630), (730, 22196), (895, 18104), (1240, 13067), (1432, 11315), (1460, 11098), (1790, 9052), (2263, 7160), (2920, 5549), (3580, 4526)]