15663961625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1107

約数の個数: 64

約数和(自身を含む): 21542976000

約数和(自身を除く): 5879014375

約数列:

[1, 5, 13, 25, 59, 65, 125, 199, 295, 325, 767, 821, 995, 1475, 1625, 2587, 3835, 4105, 4975, 7375, 10673, 11741, 12935, 19175, 20525, 24875, 48439, 53365, 58705, 64675, 95875, 102625, 152633, 163379, 242195, 266825, 293525, 323375, 629707, 763165, 816895, 1210975, 1334125, 1467625, 2123927, 3148535, 3815825, 4084475, 6054875, 9639361, 10619635, 15742675, 19079125, 20422375, 48196805, 53098175, 78713375, 125311693, 240984025, 265490875, 626558465, 1204920125, 3132792325, 15663961625]

約数ペア:

[(1, 15663961625), (5, 3132792325), (13, 1204920125), (25, 626558465), (59, 265490875), (65, 240984025), (125, 125311693), (199, 78713375), (295, 53098175), (325, 48196805), (767, 20422375), (821, 19079125), (995, 15742675), (1475, 10619635), (1625, 9639361), (2587, 6054875), (3835, 4084475), (4105, 3815825), (4975, 3148535), (7375, 2123927), (10673, 1467625), (11741, 1334125), (12935, 1210975), (19175, 816895), (20525, 763165), (24875, 629707), (48439, 323375), (53365, 293525), (58705, 266825), (64675, 242195), (95875, 163379), (102625, 152633)]