201996560

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{10477}}^1$

素因数の和:10731

約数の個数: 40

約数和(自身を含む): 471635736

約数和(自身を除く): 269639176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 9640, 10477, 19280, 20954, 41908, 52385, 83816, 104770, 167632, 209540, 419080, 838160, 2524957, 5049914, 10099828, 12624785, 20199656, 25249570, 40399312, 50499140, 100998280, 201996560]

約数ペア:

[(1, 201996560), (2, 100998280), (4, 50499140), (5, 40399312), (8, 25249570), (10, 20199656), (16, 12624785), (20, 10099828), (40, 5049914), (80, 2524957), (241, 838160), (482, 419080), (964, 209540), (1205, 167632), (1928, 104770), (2410, 83816), (3856, 52385), (4820, 41908), (9640, 20954), (10477, 19280)]