12957958400

素因数分解:

$2^8\times 5^2\times {\mathrm{97}}^1\times {\mathrm{20873}}^1$

素因数の和:20996

約数の個数: 108

約数和(自身を含む): 32405173332

約数和(自身を除く): 19447214932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 128, 160, 194, 200, 256, 320, 388, 400, 485, 640, 776, 800, 970, 1280, 1552, 1600, 1940, 2425, 3104, 3200, 3880, 4850, 6208, 6400, 7760, 9700, 12416, 15520, 19400, 20873, 24832, 31040, 38800, 41746, 62080, 77600, 83492, 104365, 124160, 155200, 166984, 208730, 310400, 333968, 417460, 521825, 620800, 667936, 834920, 1043650, 1335872, 1669840, 2024681, 2087300, 2671744, 3339680, 4049362, 4174600, 5343488, 6679360, 8098724, 8349200, 10123405, 13358720, 16197448, 16698400, 20246810, 26717440, 32394896, 33396800, 40493620, 50617025, 64789792, 66793600, 80987240, 101234050, 129579584, 133587200, 161974480, 202468100, 259159168, 323948960, 404936200, 518318336, 647897920, 809872400, 1295795840, 1619744800, 2591591680, 3239489600, 6478979200, 12957958400]

約数ペア:

[(1, 12957958400), (2, 6478979200), (4, 3239489600), (5, 2591591680), (8, 1619744800), (10, 1295795840), (16, 809872400), (20, 647897920), (25, 518318336), (32, 404936200), (40, 323948960), (50, 259159168), (64, 202468100), (80, 161974480), (97, 133587200), (100, 129579584), (128, 101234050), (160, 80987240), (194, 66793600), (200, 64789792), (256, 50617025), (320, 40493620), (388, 33396800), (400, 32394896), (485, 26717440), (640, 20246810), (776, 16698400), (800, 16197448), (970, 13358720), (1280, 10123405), (1552, 8349200), (1600, 8098724), (1940, 6679360), (2425, 5343488), (3104, 4174600), (3200, 4049362), (3880, 3339680), (4850, 2671744), (6208, 2087300), (6400, 2024681), (7760, 1669840), (9700, 1335872), (12416, 1043650), (15520, 834920), (19400, 667936), (20873, 620800), (24832, 521825), (31040, 417460), (38800, 333968), (41746, 310400), (62080, 208730), (77600, 166984), (83492, 155200), (104365, 124160)]