201964880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{194197}}^1$

素因数の和:194223

約数の個数: 40

約数和(自身を含む): 505691592

約数和(自身を除く): 303726712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 194197, 388394, 776788, 970985, 1553576, 1941970, 2524561, 3107152, 3883940, 5049122, 7767880, 10098244, 12622805, 15535760, 20196488, 25245610, 40392976, 50491220, 100982440, 201964880]

約数ペア:

[(1, 201964880), (2, 100982440), (4, 50491220), (5, 40392976), (8, 25245610), (10, 20196488), (13, 15535760), (16, 12622805), (20, 10098244), (26, 7767880), (40, 5049122), (52, 3883940), (65, 3107152), (80, 2524561), (104, 1941970), (130, 1553576), (208, 970985), (260, 776788), (520, 388394), (1040, 194197)]