13844840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3889}}^1$

素因数の和:3989

約数の個数: 32

約数和(自身を含む): 31509000

約数和(自身を除く): 17664160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 3889, 7778, 15556, 19445, 31112, 38890, 77780, 155560, 346121, 692242, 1384484, 1730605, 2768968, 3461210, 6922420, 13844840]

約数ペア:

[(1, 13844840), (2, 6922420), (4, 3461210), (5, 2768968), (8, 1730605), (10, 1384484), (20, 692242), (40, 346121), (89, 155560), (178, 77780), (356, 38890), (445, 31112), (712, 19445), (890, 15556), (1780, 7778), (3560, 3889)]