2012802560

素因数分解:

$2^9\times 5^1\times {\mathrm{786251}}^1$

素因数の和:786274

約数の個数: 40

約数和(自身を含む): 4826014776

約数和(自身を除く): 2813212216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 786251, 1572502, 3145004, 3931255, 6290008, 7862510, 12580016, 15725020, 25160032, 31450040, 50320064, 62900080, 100640128, 125800160, 201280256, 251600320, 402560512, 503200640, 1006401280, 2012802560]

約数ペア:

[(1, 2012802560), (2, 1006401280), (4, 503200640), (5, 402560512), (8, 251600320), (10, 201280256), (16, 125800160), (20, 100640128), (32, 62900080), (40, 50320064), (64, 31450040), (80, 25160032), (128, 15725020), (160, 12580016), (256, 7862510), (320, 6290008), (512, 3931255), (640, 3145004), (1280, 1572502), (2560, 786251)]