201981040

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19273}}^1$

素因数の和:19417

約数の個数: 40

約数和(自身を含む): 473215248

約数和(自身を除く): 271234208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 19273, 38546, 77092, 96365, 154184, 192730, 308368, 385460, 770920, 1541840, 2524763, 5049526, 10099052, 12623815, 20198104, 25247630, 40396208, 50495260, 100990520, 201981040]

約数ペア:

[(1, 201981040), (2, 100990520), (4, 50495260), (5, 40396208), (8, 25247630), (10, 20198104), (16, 12623815), (20, 10099052), (40, 5049526), (80, 2524763), (131, 1541840), (262, 770920), (524, 385460), (655, 308368), (1048, 192730), (1310, 154184), (2096, 96365), (2620, 77092), (5240, 38546), (10480, 19273)]