28260880

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{773}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 65935512

約数和(自身を除く): 37674632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 773, 914, 1546, 1828, 2285, 3092, 3656, 3865, 4570, 6184, 7312, 7730, 9140, 12368, 15460, 18280, 30920, 36560, 61840, 353261, 706522, 1413044, 1766305, 2826088, 3532610, 5652176, 7065220, 14130440, 28260880]

約数ペア:

[(1, 28260880), (2, 14130440), (4, 7065220), (5, 5652176), (8, 3532610), (10, 2826088), (16, 1766305), (20, 1413044), (40, 706522), (80, 353261), (457, 61840), (773, 36560), (914, 30920), (1546, 18280), (1828, 15460), (2285, 12368), (3092, 9140), (3656, 7730), (3865, 7312), (4570, 6184)]