16380400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1370

約数の個数: 60

約数和(自身を含む): 40654144

約数和(自身を除く): 24273744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1321, 1550, 2480, 2642, 3100, 5284, 6200, 6605, 10568, 12400, 13210, 21136, 26420, 33025, 40951, 52840, 66050, 81902, 105680, 132100, 163804, 204755, 264200, 327608, 409510, 528400, 655216, 819020, 1023775, 1638040, 2047550, 3276080, 4095100, 8190200, 16380400]

約数ペア:

[(1, 16380400), (2, 8190200), (4, 4095100), (5, 3276080), (8, 2047550), (10, 1638040), (16, 1023775), (20, 819020), (25, 655216), (31, 528400), (40, 409510), (50, 327608), (62, 264200), (80, 204755), (100, 163804), (124, 132100), (155, 105680), (200, 81902), (248, 66050), (310, 52840), (400, 40951), (496, 33025), (620, 26420), (775, 21136), (1240, 13210), (1321, 12400), (1550, 10568), (2480, 6605), (2642, 6200), (3100, 5284)]