84617361875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2081}}^1$

素因数の和:2250

約数の個数: 80

約数和(自身を含む): 115904273760

約数和(自身を除く): 31286911885

約数列:

[1, 5, 17, 25, 43, 85, 89, 125, 215, 425, 445, 625, 731, 1075, 1513, 2081, 2125, 2225, 3655, 3827, 5375, 7565, 10405, 10625, 11125, 18275, 19135, 26875, 35377, 37825, 52025, 55625, 65059, 89483, 91375, 95675, 176885, 185209, 189125, 260125, 325295, 447415, 456875, 478375, 884425, 926045, 945625, 1300625, 1521211, 1626475, 2237075, 2391875, 3148553, 4422125, 4630225, 7606055, 7963987, 8132375, 11185375, 15742765, 22110625, 23151125, 38030275, 39819935, 40661875, 55926875, 78713825, 115755625, 135387779, 190151375, 199099675, 393569125, 676938895, 950756875, 995498375, 1967845625, 3384694475, 4977491875, 16923472375, 84617361875]

約数ペア:

[(1, 84617361875), (5, 16923472375), (17, 4977491875), (25, 3384694475), (43, 1967845625), (85, 995498375), (89, 950756875), (125, 676938895), (215, 393569125), (425, 199099675), (445, 190151375), (625, 135387779), (731, 115755625), (1075, 78713825), (1513, 55926875), (2081, 40661875), (2125, 39819935), (2225, 38030275), (3655, 23151125), (3827, 22110625), (5375, 15742765), (7565, 11185375), (10405, 8132375), (10625, 7963987), (11125, 7606055), (18275, 4630225), (19135, 4422125), (26875, 3148553), (35377, 2391875), (37825, 2237075), (52025, 1626475), (55625, 1521211), (65059, 1300625), (89483, 945625), (91375, 926045), (95675, 884425), (176885, 478375), (185209, 456875), (189125, 447415), (260125, 325295)]