4047520

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 9811368

約数和(自身を除く): 5763848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 617, 656, 820, 1234, 1312, 1640, 2468, 3085, 3280, 4936, 6170, 6560, 9872, 12340, 19744, 24680, 25297, 49360, 50594, 98720, 101188, 126485, 202376, 252970, 404752, 505940, 809504, 1011880, 2023760, 4047520]

約数ペア:

[(1, 4047520), (2, 2023760), (4, 1011880), (5, 809504), (8, 505940), (10, 404752), (16, 252970), (20, 202376), (32, 126485), (40, 101188), (41, 98720), (80, 50594), (82, 49360), (160, 25297), (164, 24680), (205, 19744), (328, 12340), (410, 9872), (617, 6560), (656, 6170), (820, 4936), (1234, 3280), (1312, 3085), (1640, 2468)]