83864375

素因数分解:

$5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 40

約数和(自身を含む): 124085280

約数和(自身を除く): 40220905

約数列:

[1, 5, 7, 25, 29, 35, 125, 145, 175, 203, 625, 661, 725, 875, 1015, 3305, 3625, 4375, 4627, 5075, 16525, 18125, 19169, 23135, 25375, 82625, 95845, 115675, 126875, 134183, 413125, 479225, 578375, 670915, 2396125, 2891875, 3354575, 11980625, 16772875, 83864375]

約数ペア:

[(1, 83864375), (5, 16772875), (7, 11980625), (25, 3354575), (29, 2891875), (35, 2396125), (125, 670915), (145, 578375), (175, 479225), (203, 413125), (625, 134183), (661, 126875), (725, 115675), (875, 95845), (1015, 82625), (3305, 25375), (3625, 23135), (4375, 19169), (4627, 18125), (5075, 16525)]