51941720

素因数分解:

$2^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1321}}^1$

素因数の和:2315

約数の個数: 32

約数和(自身を含む): 117076320

約数和(自身を除く): 65134600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 983, 1321, 1966, 2642, 3932, 4915, 5284, 6605, 7864, 9830, 10568, 13210, 19660, 26420, 39320, 52840, 1298543, 2597086, 5194172, 6492715, 10388344, 12985430, 25970860, 51941720]

約数ペア:

[(1, 51941720), (2, 25970860), (4, 12985430), (5, 10388344), (8, 6492715), (10, 5194172), (20, 2597086), (40, 1298543), (983, 52840), (1321, 39320), (1966, 26420), (2642, 19660), (3932, 13210), (4915, 10568), (5284, 9830), (6605, 7864)]