28581100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6971}}^1$

素因数の和:7026

約数の個数: 36

約数和(自身を含む): 63542808

約数和(自身を除く): 34961708

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 6971, 13942, 27884, 34855, 69710, 139420, 174275, 285811, 348550, 571622, 697100, 1143244, 1429055, 2858110, 5716220, 7145275, 14290550, 28581100]

約数ペア:

[(1, 28581100), (2, 14290550), (4, 7145275), (5, 5716220), (10, 2858110), (20, 1429055), (25, 1143244), (41, 697100), (50, 571622), (82, 348550), (100, 285811), (164, 174275), (205, 139420), (410, 69710), (820, 34855), (1025, 27884), (2050, 13942), (4100, 6971)]