125216920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{157}}^2$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 285776640

約数和(自身を除く): 160559720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 157, 254, 314, 508, 628, 635, 785, 1016, 1256, 1270, 1570, 2540, 3140, 5080, 6280, 19939, 24649, 39878, 49298, 79756, 98596, 99695, 123245, 159512, 197192, 199390, 246490, 398780, 492980, 797560, 985960, 3130423, 6260846, 12521692, 15652115, 25043384, 31304230, 62608460, 125216920]

約数ペア:

[(1, 125216920), (2, 62608460), (4, 31304230), (5, 25043384), (8, 15652115), (10, 12521692), (20, 6260846), (40, 3130423), (127, 985960), (157, 797560), (254, 492980), (314, 398780), (508, 246490), (628, 199390), (635, 197192), (785, 159512), (1016, 123245), (1256, 99695), (1270, 98596), (1570, 79756), (2540, 49298), (3140, 39878), (5080, 24649), (6280, 19939)]