131993600

素因数分解:

$2^{12}\times 5^2\times {\mathrm{1289}}^1$

素因数の和:1323

約数の個数: 78

約数和(自身を含む): 327558090

約数和(自身を除く): 195564490

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1289, 1600, 2048, 2560, 2578, 3200, 4096, 5120, 5156, 6400, 6445, 10240, 10312, 12800, 12890, 20480, 20624, 25600, 25780, 32225, 41248, 51200, 51560, 64450, 82496, 102400, 103120, 128900, 164992, 206240, 257800, 329984, 412480, 515600, 659968, 824960, 1031200, 1319936, 1649920, 2062400, 2639872, 3299840, 4124800, 5279744, 6599680, 8249600, 13199360, 16499200, 26398720, 32998400, 65996800, 131993600]

約数ペア:

[(1, 131993600), (2, 65996800), (4, 32998400), (5, 26398720), (8, 16499200), (10, 13199360), (16, 8249600), (20, 6599680), (25, 5279744), (32, 4124800), (40, 3299840), (50, 2639872), (64, 2062400), (80, 1649920), (100, 1319936), (128, 1031200), (160, 824960), (200, 659968), (256, 515600), (320, 412480), (400, 329984), (512, 257800), (640, 206240), (800, 164992), (1024, 128900), (1280, 103120), (1289, 102400), (1600, 82496), (2048, 64450), (2560, 51560), (2578, 51200), (3200, 41248), (4096, 32225), (5120, 25780), (5156, 25600), (6400, 20624), (6445, 20480), (10240, 12890), (10312, 12800)]