16804523875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{743}}^1$

素因数の和:973

約数の個数: 64

約数和(自身を含む): 22562841600

約数和(自身を除く): 5758317725

約数列:

[1, 5, 19, 25, 89, 95, 107, 125, 445, 475, 535, 743, 1691, 2033, 2225, 2375, 2675, 3715, 8455, 9523, 10165, 11125, 13375, 14117, 18575, 42275, 47615, 50825, 66127, 70585, 79501, 92875, 180937, 211375, 238075, 254125, 330635, 352925, 397505, 904685, 1190375, 1256413, 1510519, 1653175, 1764625, 1987525, 4523425, 6282065, 7075589, 7552595, 8265875, 9937625, 22617125, 31410325, 35377945, 37762975, 134436191, 157051625, 176889725, 188814875, 672180955, 884448625, 3360904775, 16804523875]

約数ペア:

[(1, 16804523875), (5, 3360904775), (19, 884448625), (25, 672180955), (89, 188814875), (95, 176889725), (107, 157051625), (125, 134436191), (445, 37762975), (475, 35377945), (535, 31410325), (743, 22617125), (1691, 9937625), (2033, 8265875), (2225, 7552595), (2375, 7075589), (2675, 6282065), (3715, 4523425), (8455, 1987525), (9523, 1764625), (10165, 1653175), (11125, 1510519), (13375, 1256413), (14117, 1190375), (18575, 904685), (42275, 397505), (47615, 352925), (50825, 330635), (66127, 254125), (70585, 238075), (79501, 211375), (92875, 180937)]