89712740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20297}}^1$

素因数の和:20336

約数の個数: 48

約数和(自身を含む): 214834032

約数和(自身を除く): 125121292

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 20297, 40594, 81188, 101485, 202970, 263861, 345049, 405940, 527722, 690098, 1055444, 1319305, 1380196, 1725245, 2638610, 3450490, 4485637, 5277220, 6900980, 8971274, 17942548, 22428185, 44856370, 89712740]

約数ペア:

[(1, 89712740), (2, 44856370), (4, 22428185), (5, 17942548), (10, 8971274), (13, 6900980), (17, 5277220), (20, 4485637), (26, 3450490), (34, 2638610), (52, 1725245), (65, 1380196), (68, 1319305), (85, 1055444), (130, 690098), (170, 527722), (221, 405940), (260, 345049), (340, 263861), (442, 202970), (884, 101485), (1105, 81188), (2210, 40594), (4420, 20297)]