29379920

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2029}}^1$

素因数の和:2223

約数の個数: 40

約数和(自身を含む): 68719560

約数和(自身を除く): 39339640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2029, 2896, 3620, 4058, 7240, 8116, 10145, 14480, 16232, 20290, 32464, 40580, 81160, 162320, 367249, 734498, 1468996, 1836245, 2937992, 3672490, 5875984, 7344980, 14689960, 29379920]

約数ペア:

[(1, 29379920), (2, 14689960), (4, 7344980), (5, 5875984), (8, 3672490), (10, 2937992), (16, 1836245), (20, 1468996), (40, 734498), (80, 367249), (181, 162320), (362, 81160), (724, 40580), (905, 32464), (1448, 20290), (1810, 16232), (2029, 14480), (2896, 10145), (3620, 8116), (4058, 7240)]