2019746720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{407207}}^1$

素因数の和:407253

約数の個数: 48

約数和(自身を含む): 4925587968

約数和(自身を除く): 2905841248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 407207, 814414, 1628828, 2036035, 3257656, 4072070, 6515312, 8144140, 12623417, 13030624, 16288280, 25246834, 32576560, 50493668, 63117085, 65153120, 100987336, 126234170, 201974672, 252468340, 403949344, 504936680, 1009873360, 2019746720]

約数ペア:

[(1, 2019746720), (2, 1009873360), (4, 504936680), (5, 403949344), (8, 252468340), (10, 201974672), (16, 126234170), (20, 100987336), (31, 65153120), (32, 63117085), (40, 50493668), (62, 32576560), (80, 25246834), (124, 16288280), (155, 13030624), (160, 12623417), (248, 8144140), (310, 6515312), (496, 4072070), (620, 3257656), (992, 2036035), (1240, 1628828), (2480, 814414), (4960, 407207)]