20134480

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2309}}^1$

素因数の和:2431

約数の個数: 40

約数和(自身を含む): 47262600

約数和(自身を除く): 27128120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 2309, 4360, 4618, 8720, 9236, 11545, 18472, 23090, 36944, 46180, 92360, 184720, 251681, 503362, 1006724, 1258405, 2013448, 2516810, 4026896, 5033620, 10067240, 20134480]

約数ペア:

[(1, 20134480), (2, 10067240), (4, 5033620), (5, 4026896), (8, 2516810), (10, 2013448), (16, 1258405), (20, 1006724), (40, 503362), (80, 251681), (109, 184720), (218, 92360), (436, 46180), (545, 36944), (872, 23090), (1090, 18472), (1744, 11545), (2180, 9236), (2309, 8720), (4360, 4618)]