16705000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 42314580

約数和(自身を除く): 25609580

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 257, 260, 325, 500, 514, 520, 625, 650, 1000, 1028, 1250, 1285, 1300, 1625, 2056, 2500, 2570, 2600, 3250, 3341, 5000, 5140, 6425, 6500, 6682, 8125, 10280, 12850, 13000, 13364, 16250, 16705, 25700, 26728, 32125, 32500, 33410, 51400, 64250, 65000, 66820, 83525, 128500, 133640, 160625, 167050, 257000, 321250, 334100, 417625, 642500, 668200, 835250, 1285000, 1670500, 2088125, 3341000, 4176250, 8352500, 16705000]

約数ペア:

[(1, 16705000), (2, 8352500), (4, 4176250), (5, 3341000), (8, 2088125), (10, 1670500), (13, 1285000), (20, 835250), (25, 668200), (26, 642500), (40, 417625), (50, 334100), (52, 321250), (65, 257000), (100, 167050), (104, 160625), (125, 133640), (130, 128500), (200, 83525), (250, 66820), (257, 65000), (260, 64250), (325, 51400), (500, 33410), (514, 32500), (520, 32125), (625, 26728), (650, 25700), (1000, 16705), (1028, 16250), (1250, 13364), (1285, 13000), (1300, 12850), (1625, 10280), (2056, 8125), (2500, 6682), (2570, 6500), (2600, 6425), (3250, 5140), (3341, 5000)]