64984000

素因数分解:

$2^6\times 5^3\times {\mathrm{8123}}^1$

素因数の和:8150

約数の個数: 56

約数和(自身を含む): 160952688

約数和(自身を除く): 95968688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 8123, 16246, 32492, 40615, 64984, 81230, 129968, 162460, 203075, 259936, 324920, 406150, 519872, 649840, 812300, 1015375, 1299680, 1624600, 2030750, 2599360, 3249200, 4061500, 6498400, 8123000, 12996800, 16246000, 32492000, 64984000]

約数ペア:

[(1, 64984000), (2, 32492000), (4, 16246000), (5, 12996800), (8, 8123000), (10, 6498400), (16, 4061500), (20, 3249200), (25, 2599360), (32, 2030750), (40, 1624600), (50, 1299680), (64, 1015375), (80, 812300), (100, 649840), (125, 519872), (160, 406150), (200, 324920), (250, 259936), (320, 203075), (400, 162460), (500, 129968), (800, 81230), (1000, 64984), (1600, 40615), (2000, 32492), (4000, 16246), (8000, 8123)]