79289600

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{953}}^1$

素因数の和:992

約数の個数: 108

約数和(自身を含む): 211572396

約数和(自身を除く): 132282796

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 520, 640, 650, 800, 832, 953, 1040, 1280, 1300, 1600, 1664, 1906, 2080, 2600, 3200, 3328, 3812, 4160, 4765, 5200, 6400, 7624, 8320, 9530, 10400, 12389, 15248, 16640, 19060, 20800, 23825, 24778, 30496, 38120, 41600, 47650, 49556, 60992, 61945, 76240, 83200, 95300, 99112, 121984, 123890, 152480, 190600, 198224, 243968, 247780, 304960, 309725, 381200, 396448, 495560, 609920, 619450, 762400, 792896, 991120, 1219840, 1238900, 1524800, 1585792, 1982240, 2477800, 3049600, 3171584, 3964480, 4955600, 6099200, 7928960, 9911200, 15857920, 19822400, 39644800, 79289600]

約数ペア:

[(1, 79289600), (2, 39644800), (4, 19822400), (5, 15857920), (8, 9911200), (10, 7928960), (13, 6099200), (16, 4955600), (20, 3964480), (25, 3171584), (26, 3049600), (32, 2477800), (40, 1982240), (50, 1585792), (52, 1524800), (64, 1238900), (65, 1219840), (80, 991120), (100, 792896), (104, 762400), (128, 619450), (130, 609920), (160, 495560), (200, 396448), (208, 381200), (256, 309725), (260, 304960), (320, 247780), (325, 243968), (400, 198224), (416, 190600), (520, 152480), (640, 123890), (650, 121984), (800, 99112), (832, 95300), (953, 83200), (1040, 76240), (1280, 61945), (1300, 60992), (1600, 49556), (1664, 47650), (1906, 41600), (2080, 38120), (2600, 30496), (3200, 24778), (3328, 23825), (3812, 20800), (4160, 19060), (4765, 16640), (5200, 15248), (6400, 12389), (7624, 10400), (8320, 9530)]