28921400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3527}}^1$

素因数の和:3584

約数の個数: 48

約数和(自身を含む): 68901840

約数和(自身を除く): 39980440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 3527, 4100, 7054, 8200, 14108, 17635, 28216, 35270, 70540, 88175, 141080, 144607, 176350, 289214, 352700, 578428, 705400, 723035, 1156856, 1446070, 2892140, 3615175, 5784280, 7230350, 14460700, 28921400]

約数ペア:

[(1, 28921400), (2, 14460700), (4, 7230350), (5, 5784280), (8, 3615175), (10, 2892140), (20, 1446070), (25, 1156856), (40, 723035), (41, 705400), (50, 578428), (82, 352700), (100, 289214), (164, 176350), (200, 144607), (205, 141080), (328, 88175), (410, 70540), (820, 35270), (1025, 28216), (1640, 17635), (2050, 14108), (3527, 8200), (4100, 7054)]