580280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 1328400

約数和(自身を除く): 748120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 163, 178, 326, 356, 445, 652, 712, 815, 890, 1304, 1630, 1780, 3260, 3560, 6520, 14507, 29014, 58028, 72535, 116056, 145070, 290140, 580280]

約数ペア:

[(1, 580280), (2, 290140), (4, 145070), (5, 116056), (8, 72535), (10, 58028), (20, 29014), (40, 14507), (89, 6520), (163, 3560), (178, 3260), (326, 1780), (356, 1630), (445, 1304), (652, 890), (712, 815)]