201231869680

素因数分解:

$2^4\times 5^1\times {\mathrm{2515398371}}^1$

素因数の和:2515398384

約数の個数: 20

約数和(自身を含む): 467864097192

約数和(自身を除く): 266632227512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2515398371, 5030796742, 10061593484, 12576991855, 20123186968, 25153983710, 40246373936, 50307967420, 100615934840, 201231869680]

約数ペア:

[(1, 201231869680), (2, 100615934840), (4, 50307967420), (5, 40246373936), (8, 25153983710), (10, 20123186968), (16, 12576991855), (20, 10061593484), (40, 5030796742), (80, 2515398371)]