81536300

素因数分解:

$2^2\times 5^2\times {\mathrm{503}}^1\times {\mathrm{1621}}^1$

素因数の和:2138

約数の個数: 36

約数和(自身を含む): 177394896

約数和(自身を除く): 95858596

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 503, 1006, 1621, 2012, 2515, 3242, 5030, 6484, 8105, 10060, 12575, 16210, 25150, 32420, 40525, 50300, 81050, 162100, 815363, 1630726, 3261452, 4076815, 8153630, 16307260, 20384075, 40768150, 81536300]

約数ペア:

[(1, 81536300), (2, 40768150), (4, 20384075), (5, 16307260), (10, 8153630), (20, 4076815), (25, 3261452), (50, 1630726), (100, 815363), (503, 162100), (1006, 81050), (1621, 50300), (2012, 40525), (2515, 32420), (3242, 25150), (5030, 16210), (6484, 12575), (8105, 10060)]