254609720

素因数分解:

$2^3\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{4021}}^1$

素因数の和:5615

約数の個数: 32

約数和(自身を含む): 573376320

約数和(自身を除く): 318766600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1583, 3166, 4021, 6332, 7915, 8042, 12664, 15830, 16084, 20105, 31660, 32168, 40210, 63320, 80420, 160840, 6365243, 12730486, 25460972, 31826215, 50921944, 63652430, 127304860, 254609720]

約数ペア:

[(1, 254609720), (2, 127304860), (4, 63652430), (5, 50921944), (8, 31826215), (10, 25460972), (20, 12730486), (40, 6365243), (1583, 160840), (3166, 80420), (4021, 63320), (6332, 40210), (7915, 32168), (8042, 31660), (12664, 20105), (15830, 16084)]