51988000

素因数分解:

$2^5\times 5^3\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 131262768

約数和(自身を除く): 79274768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 125, 160, 164, 200, 205, 250, 317, 328, 400, 410, 500, 634, 656, 800, 820, 1000, 1025, 1268, 1312, 1585, 1640, 2000, 2050, 2536, 3170, 3280, 4000, 4100, 5072, 5125, 6340, 6560, 7925, 8200, 10144, 10250, 12680, 12997, 15850, 16400, 20500, 25360, 25994, 31700, 32800, 39625, 41000, 50720, 51988, 63400, 64985, 79250, 82000, 103976, 126800, 129970, 158500, 164000, 207952, 253600, 259940, 317000, 324925, 415904, 519880, 634000, 649850, 1039760, 1268000, 1299700, 1624625, 2079520, 2599400, 3249250, 5198800, 6498500, 10397600, 12997000, 25994000, 51988000]

約数ペア:

[(1, 51988000), (2, 25994000), (4, 12997000), (5, 10397600), (8, 6498500), (10, 5198800), (16, 3249250), (20, 2599400), (25, 2079520), (32, 1624625), (40, 1299700), (41, 1268000), (50, 1039760), (80, 649850), (82, 634000), (100, 519880), (125, 415904), (160, 324925), (164, 317000), (200, 259940), (205, 253600), (250, 207952), (317, 164000), (328, 158500), (400, 129970), (410, 126800), (500, 103976), (634, 82000), (656, 79250), (800, 64985), (820, 63400), (1000, 51988), (1025, 50720), (1268, 41000), (1312, 39625), (1585, 32800), (1640, 31700), (2000, 25994), (2050, 25360), (2536, 20500), (3170, 16400), (3280, 15850), (4000, 12997), (4100, 12680), (5072, 10250), (5125, 10144), (6340, 8200), (6560, 7925)]