39940250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 88508160

約数和(自身を除く): 48567910

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 125, 145, 175, 203, 250, 290, 350, 406, 725, 787, 875, 1015, 1450, 1574, 1750, 2030, 3625, 3935, 5075, 5509, 7250, 7870, 10150, 11018, 19675, 22823, 25375, 27545, 39350, 45646, 50750, 55090, 98375, 114115, 137725, 159761, 196750, 228230, 275450, 319522, 570575, 688625, 798805, 1141150, 1377250, 1597610, 2852875, 3994025, 5705750, 7988050, 19970125, 39940250]

約数ペア:

[(1, 39940250), (2, 19970125), (5, 7988050), (7, 5705750), (10, 3994025), (14, 2852875), (25, 1597610), (29, 1377250), (35, 1141150), (50, 798805), (58, 688625), (70, 570575), (125, 319522), (145, 275450), (175, 228230), (203, 196750), (250, 159761), (290, 137725), (350, 114115), (406, 98375), (725, 55090), (787, 50750), (875, 45646), (1015, 39350), (1450, 27545), (1574, 25375), (1750, 22823), (2030, 19675), (3625, 11018), (3935, 10150), (5075, 7870), (5509, 7250)]