13621250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:680

約数の個数: 40

約数和(自身を含む): 27075708

約数和(自身を除く): 13454458

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 625, 641, 850, 1250, 1282, 2125, 3205, 4250, 6410, 10625, 10897, 16025, 21250, 21794, 32050, 54485, 80125, 108970, 160250, 272425, 400625, 544850, 801250, 1362125, 2724250, 6810625, 13621250]

約数ペア:

[(1, 13621250), (2, 6810625), (5, 2724250), (10, 1362125), (17, 801250), (25, 544850), (34, 400625), (50, 272425), (85, 160250), (125, 108970), (170, 80125), (250, 54485), (425, 32050), (625, 21794), (641, 21250), (850, 16025), (1250, 10897), (1282, 10625), (2125, 6410), (3205, 4250)]