128870886625

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{641}}^1$

素因数の和:1020

約数の個数: 96

約数和(自身を含む): 180638954496

約数和(自身を除く): 51768067871

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 169, 307, 325, 403, 641, 775, 845, 1535, 1625, 2015, 3205, 3875, 3991, 4225, 5239, 7675, 8333, 9517, 10075, 16025, 19871, 19955, 21125, 26195, 38375, 41665, 47585, 50375, 51883, 80125, 99355, 99775, 108329, 123721, 130975, 196787, 208325, 237925, 258323, 259415, 496775, 498875, 541645, 618605, 654875, 983935, 1041625, 1189625, 1291615, 1297075, 1608373, 2483875, 2558231, 2708225, 3093025, 3358199, 4919675, 6100397, 6458075, 6485375, 8041865, 12791155, 13541125, 15465125, 16790995, 24598375, 30501985, 32290375, 33257003, 40209325, 63955775, 79305161, 83954975, 152509925, 166285015, 201046625, 319778875, 396525805, 419774875, 762549625, 831425075, 1030967093, 1982629025, 4157125375, 5154835465, 9913145125, 25774177325, 128870886625]

約数ペア:

[(1, 128870886625), (5, 25774177325), (13, 9913145125), (25, 5154835465), (31, 4157125375), (65, 1982629025), (125, 1030967093), (155, 831425075), (169, 762549625), (307, 419774875), (325, 396525805), (403, 319778875), (641, 201046625), (775, 166285015), (845, 152509925), (1535, 83954975), (1625, 79305161), (2015, 63955775), (3205, 40209325), (3875, 33257003), (3991, 32290375), (4225, 30501985), (5239, 24598375), (7675, 16790995), (8333, 15465125), (9517, 13541125), (10075, 12791155), (16025, 8041865), (19871, 6485375), (19955, 6458075), (21125, 6100397), (26195, 4919675), (38375, 3358199), (41665, 3093025), (47585, 2708225), (50375, 2558231), (51883, 2483875), (80125, 1608373), (99355, 1297075), (99775, 1291615), (108329, 1189625), (123721, 1041625), (130975, 983935), (196787, 654875), (208325, 618605), (237925, 541645), (258323, 498875), (259415, 496775)]