82640000

素因数分解:

$2^7\times 5^4\times {\mathrm{1033}}^1$

素因数の和:1067

約数の個数: 80

約数和(自身を含む): 205926270

約数和(自身を除く): 123286270

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1033, 1250, 1600, 2000, 2066, 2500, 3200, 4000, 4132, 5000, 5165, 8000, 8264, 10000, 10330, 16000, 16528, 20000, 20660, 25825, 33056, 40000, 41320, 51650, 66112, 80000, 82640, 103300, 129125, 132224, 165280, 206600, 258250, 330560, 413200, 516500, 645625, 661120, 826400, 1033000, 1291250, 1652800, 2066000, 2582500, 3305600, 4132000, 5165000, 8264000, 10330000, 16528000, 20660000, 41320000, 82640000]

約数ペア:

[(1, 82640000), (2, 41320000), (4, 20660000), (5, 16528000), (8, 10330000), (10, 8264000), (16, 5165000), (20, 4132000), (25, 3305600), (32, 2582500), (40, 2066000), (50, 1652800), (64, 1291250), (80, 1033000), (100, 826400), (125, 661120), (128, 645625), (160, 516500), (200, 413200), (250, 330560), (320, 258250), (400, 206600), (500, 165280), (625, 132224), (640, 129125), (800, 103300), (1000, 82640), (1033, 80000), (1250, 66112), (1600, 51650), (2000, 41320), (2066, 40000), (2500, 33056), (3200, 25825), (4000, 20660), (4132, 20000), (5000, 16528), (5165, 16000), (8000, 10330), (8264, 10000)]