61402040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{219293}}^1$

素因数の和:219311

約数の個数: 32

約数和(自身を含む): 157891680

約数和(自身を除く): 96489640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 219293, 438586, 877172, 1096465, 1535051, 1754344, 2192930, 3070102, 4385860, 6140204, 7675255, 8771720, 12280408, 15350510, 30701020, 61402040]

約数ペア:

[(1, 61402040), (2, 30701020), (4, 15350510), (5, 12280408), (7, 8771720), (8, 7675255), (10, 6140204), (14, 4385860), (20, 3070102), (28, 2192930), (35, 1754344), (40, 1535051), (56, 1096465), (70, 877172), (140, 438586), (280, 219293)]