100990520

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19273}}^1$

素因数の和:19415

約数の個数: 32

約数和(自身を含む): 228975120

約数和(自身を除く): 127984600

約数列:

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

約数ペア:

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