132640000

素因数分解:

$2^8\times 5^4\times {\mathrm{829}}^1$

素因数の和:865

約数の個数: 90

約数和(自身を含む): 331245530

約数和(自身を除く): 198605530

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 625, 640, 800, 829, 1000, 1250, 1280, 1600, 1658, 2000, 2500, 3200, 3316, 4000, 4145, 5000, 6400, 6632, 8000, 8290, 10000, 13264, 16000, 16580, 20000, 20725, 26528, 32000, 33160, 40000, 41450, 53056, 66320, 80000, 82900, 103625, 106112, 132640, 160000, 165800, 207250, 212224, 265280, 331600, 414500, 518125, 530560, 663200, 829000, 1036250, 1061120, 1326400, 1658000, 2072500, 2652800, 3316000, 4145000, 5305600, 6632000, 8290000, 13264000, 16580000, 26528000, 33160000, 66320000, 132640000]

約数ペア:

[(1, 132640000), (2, 66320000), (4, 33160000), (5, 26528000), (8, 16580000), (10, 13264000), (16, 8290000), (20, 6632000), (25, 5305600), (32, 4145000), (40, 3316000), (50, 2652800), (64, 2072500), (80, 1658000), (100, 1326400), (125, 1061120), (128, 1036250), (160, 829000), (200, 663200), (250, 530560), (256, 518125), (320, 414500), (400, 331600), (500, 265280), (625, 212224), (640, 207250), (800, 165800), (829, 160000), (1000, 132640), (1250, 106112), (1280, 103625), (1600, 82900), (1658, 80000), (2000, 66320), (2500, 53056), (3200, 41450), (3316, 40000), (4000, 33160), (4145, 32000), (5000, 26528), (6400, 20725), (6632, 20000), (8000, 16580), (8290, 16000), (10000, 13264)]