28555960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23029}}^1$

素因数の和:23071

約数の個数: 32

約数和(自身を含む): 66326400

約数和(自身を除く): 37770440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 23029, 46058, 92116, 115145, 184232, 230290, 460580, 713899, 921160, 1427798, 2855596, 3569495, 5711192, 7138990, 14277980, 28555960]

約数ペア:

[(1, 28555960), (2, 14277980), (4, 7138990), (5, 5711192), (8, 3569495), (10, 2855596), (20, 1427798), (31, 921160), (40, 713899), (62, 460580), (124, 230290), (155, 184232), (248, 115145), (310, 92116), (620, 46058), (1240, 23029)]