123921520

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12197}}^1$

素因数の和:12337

約数の個数: 40

約数和(自身を含む): 290409984

約数和(自身を除く): 166488464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 12197, 24394, 48788, 60985, 97576, 121970, 195152, 243940, 487880, 975760, 1549019, 3098038, 6196076, 7745095, 12392152, 15490190, 24784304, 30980380, 61960760, 123921520]

約数ペア:

[(1, 123921520), (2, 61960760), (4, 30980380), (5, 24784304), (8, 15490190), (10, 12392152), (16, 7745095), (20, 6196076), (40, 3098038), (80, 1549019), (127, 975760), (254, 487880), (508, 243940), (635, 195152), (1016, 121970), (1270, 97576), (2032, 60985), (2540, 48788), (5080, 24394), (10160, 12197)]