4487840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{4007}}^1$

素因数の和:4029

約数の個数: 48

約数和(自身を含む): 12120192

約数和(自身を除く): 7632352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 4007, 8014, 16028, 20035, 28049, 32056, 40070, 56098, 64112, 80140, 112196, 128224, 140245, 160280, 224392, 280490, 320560, 448784, 560980, 641120, 897568, 1121960, 2243920, 4487840]

約数ペア:

[(1, 4487840), (2, 2243920), (4, 1121960), (5, 897568), (7, 641120), (8, 560980), (10, 448784), (14, 320560), (16, 280490), (20, 224392), (28, 160280), (32, 140245), (35, 128224), (40, 112196), (56, 80140), (70, 64112), (80, 56098), (112, 40070), (140, 32056), (160, 28049), (224, 20035), (280, 16028), (560, 8014), (1120, 4007)]