28441280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{12697}}^1$

素因数の和:12721

約数の個数: 56

約数和(自身を含む): 77407008

約数和(自身を除く): 48965728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 12697, 25394, 50788, 63485, 88879, 101576, 126970, 177758, 203152, 253940, 355516, 406304, 444395, 507880, 711032, 812608, 888790, 1015760, 1422064, 1777580, 2031520, 2844128, 3555160, 4063040, 5688256, 7110320, 14220640, 28441280]

約数ペア:

[(1, 28441280), (2, 14220640), (4, 7110320), (5, 5688256), (7, 4063040), (8, 3555160), (10, 2844128), (14, 2031520), (16, 1777580), (20, 1422064), (28, 1015760), (32, 888790), (35, 812608), (40, 711032), (56, 507880), (64, 444395), (70, 406304), (80, 355516), (112, 253940), (140, 203152), (160, 177758), (224, 126970), (280, 101576), (320, 88879), (448, 63485), (560, 50788), (1120, 25394), (2240, 12697)]