13561940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1327}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 33019392

約数和(自身を除く): 19457452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1327, 1460, 2044, 2555, 2654, 5110, 5308, 6635, 9289, 10220, 13270, 18578, 26540, 37156, 46445, 92890, 96871, 185780, 193742, 387484, 484355, 678097, 968710, 1356194, 1937420, 2712388, 3390485, 6780970, 13561940]

約数ペア:

[(1, 13561940), (2, 6780970), (4, 3390485), (5, 2712388), (7, 1937420), (10, 1356194), (14, 968710), (20, 678097), (28, 484355), (35, 387484), (70, 193742), (73, 185780), (140, 96871), (146, 92890), (292, 46445), (365, 37156), (511, 26540), (730, 18578), (1022, 13270), (1327, 10220), (1460, 9289), (2044, 6635), (2555, 5308), (2654, 5110)]