28093750

素因数分解:

$2^1\times 5^6\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 56

約数和(自身を含む): 56249280

約数和(自身を除く): 28155530

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 125, 145, 155, 250, 290, 310, 625, 725, 775, 899, 1250, 1450, 1550, 1798, 3125, 3625, 3875, 4495, 6250, 7250, 7750, 8990, 15625, 18125, 19375, 22475, 31250, 36250, 38750, 44950, 90625, 96875, 112375, 181250, 193750, 224750, 453125, 484375, 561875, 906250, 968750, 1123750, 2809375, 5618750, 14046875, 28093750]

約数ペア:

[(1, 28093750), (2, 14046875), (5, 5618750), (10, 2809375), (25, 1123750), (29, 968750), (31, 906250), (50, 561875), (58, 484375), (62, 453125), (125, 224750), (145, 193750), (155, 181250), (250, 112375), (290, 96875), (310, 90625), (625, 44950), (725, 38750), (775, 36250), (899, 31250), (1250, 22475), (1450, 19375), (1550, 18125), (1798, 15625), (3125, 8990), (3625, 7750), (3875, 7250), (4495, 6250)]