427687520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205619}}^1$

素因数の和:205647

約数の個数: 48

約数和(自身を含む): 1088141040

約数和(自身を除く): 660453520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 205619, 411238, 822476, 1028095, 1644952, 2056190, 2673047, 3289904, 4112380, 5346094, 6579808, 8224760, 10692188, 13365235, 16449520, 21384376, 26730470, 32899040, 42768752, 53460940, 85537504, 106921880, 213843760, 427687520]

約数ペア:

[(1, 427687520), (2, 213843760), (4, 106921880), (5, 85537504), (8, 53460940), (10, 42768752), (13, 32899040), (16, 26730470), (20, 21384376), (26, 16449520), (32, 13365235), (40, 10692188), (52, 8224760), (65, 6579808), (80, 5346094), (104, 4112380), (130, 3289904), (160, 2673047), (208, 2056190), (260, 1644952), (416, 1028095), (520, 822476), (1040, 411238), (2080, 205619)]