64103720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{84347}}^1$

素因数の和:84377

約数の個数: 32

約数和(自身を含む): 151826400

約数和(自身を除く): 87722680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 84347, 168694, 337388, 421735, 674776, 843470, 1602593, 1686940, 3205186, 3373880, 6410372, 8012965, 12820744, 16025930, 32051860, 64103720]

約数ペア:

[(1, 64103720), (2, 32051860), (4, 16025930), (5, 12820744), (8, 8012965), (10, 6410372), (19, 3373880), (20, 3205186), (38, 1686940), (40, 1602593), (76, 843470), (95, 674776), (152, 421735), (190, 337388), (380, 168694), (760, 84347)]