7980492040

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1570963}}^1$

素因数の和:1571101

約数の個数: 32

約数和(自身を含む): 18097505280

約数和(自身を除く): 10117013240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 1570963, 3141926, 6283852, 7854815, 12567704, 15709630, 31419260, 62838520, 199512301, 399024602, 798049204, 997561505, 1596098408, 1995123010, 3990246020, 7980492040]

約数ペア:

[(1, 7980492040), (2, 3990246020), (4, 1995123010), (5, 1596098408), (8, 997561505), (10, 798049204), (20, 399024602), (40, 199512301), (127, 62838520), (254, 31419260), (508, 15709630), (635, 12567704), (1016, 7854815), (1270, 6283852), (2540, 3141926), (5080, 1570963)]