80704300

素因数分解:

$2^2\times 5^2\times {\mathrm{821}}^1\times {\mathrm{983}}^1$

素因数の和:1818

約数の個数: 36

約数和(自身を含む): 175520016

約数和(自身を除く): 94815716

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 821, 983, 1642, 1966, 3284, 3932, 4105, 4915, 8210, 9830, 16420, 19660, 20525, 24575, 41050, 49150, 82100, 98300, 807043, 1614086, 3228172, 4035215, 8070430, 16140860, 20176075, 40352150, 80704300]

約数ペア:

[(1, 80704300), (2, 40352150), (4, 20176075), (5, 16140860), (10, 8070430), (20, 4035215), (25, 3228172), (50, 1614086), (100, 807043), (821, 98300), (983, 82100), (1642, 49150), (1966, 41050), (3284, 24575), (3932, 20525), (4105, 19660), (4915, 16420), (8210, 9830)]