81259220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7951}}^1$

素因数の和:8040

約数の個数: 48

約数和(自身を含む): 197718528

約数和(自身を除く): 116459308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 7951, 10220, 15902, 31804, 39755, 55657, 79510, 111314, 159020, 222628, 278285, 556570, 580423, 1113140, 1160846, 2321692, 2902115, 4062961, 5804230, 8125922, 11608460, 16251844, 20314805, 40629610, 81259220]

約数ペア:

[(1, 81259220), (2, 40629610), (4, 20314805), (5, 16251844), (7, 11608460), (10, 8125922), (14, 5804230), (20, 4062961), (28, 2902115), (35, 2321692), (70, 1160846), (73, 1113140), (140, 580423), (146, 556570), (292, 278285), (365, 222628), (511, 159020), (730, 111314), (1022, 79510), (1460, 55657), (2044, 39755), (2555, 31804), (5110, 15902), (7951, 10220)]