28088750

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1022

約数の個数: 40

約数和(自身を含む): 54994896

約数和(自身を除く): 26906146

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 625, 977, 1150, 1250, 1954, 2875, 4885, 5750, 9770, 14375, 22471, 24425, 28750, 44942, 48850, 112355, 122125, 224710, 244250, 561775, 610625, 1123550, 1221250, 2808875, 5617750, 14044375, 28088750]

約数ペア:

[(1, 28088750), (2, 14044375), (5, 5617750), (10, 2808875), (23, 1221250), (25, 1123550), (46, 610625), (50, 561775), (115, 244250), (125, 224710), (230, 122125), (250, 112355), (575, 48850), (625, 44942), (977, 28750), (1150, 24425), (1250, 22471), (1954, 14375), (2875, 9770), (4885, 5750)]