87011540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56501}}^1$

素因数の和:56528

約数の個数: 48

約数和(自身を含む): 227816064

約数和(自身を除く): 140804524

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 56501, 113002, 226004, 282505, 395507, 565010, 621511, 791014, 1130020, 1243022, 1582028, 1977535, 2486044, 3107555, 3955070, 4350577, 6215110, 7910140, 8701154, 12430220, 17402308, 21752885, 43505770, 87011540]

約数ペア:

[(1, 87011540), (2, 43505770), (4, 21752885), (5, 17402308), (7, 12430220), (10, 8701154), (11, 7910140), (14, 6215110), (20, 4350577), (22, 3955070), (28, 3107555), (35, 2486044), (44, 1977535), (55, 1582028), (70, 1243022), (77, 1130020), (110, 791014), (140, 621511), (154, 565010), (220, 395507), (308, 282505), (385, 226004), (770, 113002), (1540, 56501)]