1265473625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2411}}^1$

素因数の和:2475

約数の個数: 64

約数和(自身を含む): 1896410880

約数和(自身を除く): 630937255

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 125, 221, 247, 323, 325, 425, 475, 1105, 1235, 1615, 1625, 2125, 2375, 2411, 4199, 5525, 6175, 8075, 12055, 20995, 27625, 30875, 31343, 40375, 40987, 45809, 60275, 104975, 156715, 204935, 229045, 301375, 524875, 532831, 595517, 778753, 783575, 1024675, 1145225, 2664155, 2977585, 3893765, 3917875, 5123375, 5726125, 10123789, 13320775, 14887925, 19468825, 50618945, 66603875, 74439625, 97344125, 253094725, 1265473625]

約数ペア:

[(1, 1265473625), (5, 253094725), (13, 97344125), (17, 74439625), (19, 66603875), (25, 50618945), (65, 19468825), (85, 14887925), (95, 13320775), (125, 10123789), (221, 5726125), (247, 5123375), (323, 3917875), (325, 3893765), (425, 2977585), (475, 2664155), (1105, 1145225), (1235, 1024675), (1615, 783575), (1625, 778753), (2125, 595517), (2375, 532831), (2411, 524875), (4199, 301375), (5525, 229045), (6175, 204935), (8075, 156715), (12055, 104975), (20995, 60275), (27625, 45809), (30875, 40987), (31343, 40375)]