77120000

素因数分解:

$2^9\times 5^4\times {\mathrm{241}}^1$

素因数の和:279

約数の個数: 100

約数和(自身を含む): 193349046

約数和(自身を除く): 116229046

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 241, 250, 256, 320, 400, 482, 500, 512, 625, 640, 800, 964, 1000, 1205, 1250, 1280, 1600, 1928, 2000, 2410, 2500, 2560, 3200, 3856, 4000, 4820, 5000, 6025, 6400, 7712, 8000, 9640, 10000, 12050, 12800, 15424, 16000, 19280, 20000, 24100, 30125, 30848, 32000, 38560, 40000, 48200, 60250, 61696, 64000, 77120, 80000, 96400, 120500, 123392, 150625, 154240, 160000, 192800, 241000, 301250, 308480, 320000, 385600, 482000, 602500, 616960, 771200, 964000, 1205000, 1542400, 1928000, 2410000, 3084800, 3856000, 4820000, 7712000, 9640000, 15424000, 19280000, 38560000, 77120000]

約数ペア:

[(1, 77120000), (2, 38560000), (4, 19280000), (5, 15424000), (8, 9640000), (10, 7712000), (16, 4820000), (20, 3856000), (25, 3084800), (32, 2410000), (40, 1928000), (50, 1542400), (64, 1205000), (80, 964000), (100, 771200), (125, 616960), (128, 602500), (160, 482000), (200, 385600), (241, 320000), (250, 308480), (256, 301250), (320, 241000), (400, 192800), (482, 160000), (500, 154240), (512, 150625), (625, 123392), (640, 120500), (800, 96400), (964, 80000), (1000, 77120), (1205, 64000), (1250, 61696), (1280, 60250), (1600, 48200), (1928, 40000), (2000, 38560), (2410, 32000), (2500, 30848), (2560, 30125), (3200, 24100), (3856, 20000), (4000, 19280), (4820, 16000), (5000, 15424), (6025, 12800), (6400, 12050), (7712, 10000), (8000, 9640)]